Finding the Fourth Proportional to 157,788.88, 236,685.52 and 88,111.60

Step by Step Solution

1. Step 1: Write the proportion equation
   157,788.88 : 236,685.52 = 88,111.60 : x
2. Step 2: Convert to fraction form
   157,788.88/236,685.52 = 88,111.60/x
3. Step 3: Cross multiply
   157,788.88x = 236,685.52 × 88,111.60
4. Step 4: Simplify right side
   157,788.88x = 20,854,739,864.03
5. Step 5: Solve for x
   x = 20,854,739,864.03/157,788.88
6. Step 6: Final answer
   x = 132,168.63