From the problem statement, we can say,
16.8% of total doctors is 57,600.
16.8% in decimal is
16.8/100 = 0.168
Let total number of doctos be "d", thus we can write the statement "16.8% of total doctors is 57,600" as >>>
Now, we can solve for "d", shown below:
Rounding to the nearest whole number,
Total Doctors = 342,857