Step 1:
The first step to converting 478616.66792469 to a fraction is to re-write 478616.66792469 in the form p/q where p and q are both positive integers. To start with, 478616.66792469 can be written as simply 478616.66792469/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 478616.66792469, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 478616.66792469/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 478616.66792469/1 each by 100000000:
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 478616.66792469 as a fraction:
478617/1 / 1