Step 1:
The first step to converting 171298.7674923 to a fraction is to re-write 171298.7674923 in the form p/q where p and q are both positive integers. To start with, 171298.7674923 can be written as simply 171298.7674923/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 171298.7674923, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 171298.7674923/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 171298.7674923/1 each by 10000000:
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 171298.7674923 as a fraction:
685195/4 / 1