Step 1:
The first step to converting 85217.792436012 to a fraction is to re-write 85217.792436012 in the form p/q where p and q are both positive integers. To start with, 85217.792436012 can be written as simply 85217.792436012/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 85217.792436012, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 85217.792436012/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 85217.792436012/1 each by 1000000000:
Step 3:
Now the last step is to simplify the fraction (if possible) by finding similar factors and cancelling them out, which leads to the following answer for 85217.792436012 as a fraction:
340871/4 / 1