Solving this problem requires converting percents to fractions
91 &2/3% can be written as 91.66%
We can start by converting the percent to a decimal
10% is equal to .10 the is done by diving the percentage by 100. Also .10 is equal to ten hundredths.
If we apply this to your problem we see:
91 &2/3% = 91.66 --> 91.66/100 = .9166
The last digit (6) is in the ten thousandths place so .9166 is equivalent to 9166/10000