Finding the Fourth Proportional to 113,800.55, 157,103.82 and 83,139.26

Step by Step Solution

1. Step 1: Write the proportion equation
   113,800.55 : 157,103.82 = 83,139.26 : x
2. Step 2: Convert to fraction form
   113,800.55/157,103.82 = 83,139.26/x
3. Step 3: Cross multiply
   113,800.55x = 157,103.82 × 83,139.26
4. Step 4: Simplify right side
   113,800.55x = 13,061,495,337.97
5. Step 5: Solve for x
   x = 13,061,495,337.97/113,800.55
6. Step 6: Final answer
   x = 114,775.33