Stokes, who had already apologized for his actions on social media, admitted the offence and as a result, there was no need for a full hearing
The England vice-captain was walking off the field after being dismissed by Anrich Nortje when he paused in his steps to engage in an angry outburst.
Holding an unbeatable 2-1 series lead, England were 192 for four when bad light ended a rain-shortened day.
The 24-year-old speedster withdrew from the pre-match warm-up after complaining about a sore elbow to the team doctor.
England, struck with injury problems, have had their young players in Dominic Sibley, Ollie Pope and Dom Bess standing up, which was a real positive
"Jofra had good rhythm and bowled nice and quick today," said Thorpe, while speaking to TalkSPORT
De Kock will take charge of the Proteas captaincy ahead of the upcoming ODI series against England scheduled to commence on February 4.
"It's something that I didn't expect, whether it was the right thing to ban me or the wrong thing, the reality is that I am banned"
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