Step 1:
The first step to converting 16222.885436443 to a fraction is to re-write 16222.885436443 in the form p/q where p and q are both positive integers. To start with, 16222.885436443 can be written as simply 16222.885436443/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 16222.885436443, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 16222.885436443/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 16222.885436443/1 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 16222.885436443 as a fraction:
129783/8 / 1