Finding the Fourth Proportional to 113,892.73, 157,009.57 and 88,354.04

Step by Step Solution

1. Step 1: Write the proportion equation
   113,892.73 : 157,009.57 = 88,354.04 : x
2. Step 2: Convert to fraction form
   113,892.73/157,009.57 = 88,354.04/x
3. Step 3: Cross multiply
   113,892.73x = 157,009.57 × 88,354.04
4. Step 4: Simplify right side
   113,892.73x = 13,872,429,043.12
5. Step 5: Solve for x
   x = 13,872,429,043.12/113,892.73
6. Step 6: Final answer
   x = 121,802.59