Finding the Fourth Proportional to 113,155.38, 156,156.93 and 65,410.74

Step by Step Solution

1. Step 1: Write the proportion equation
   113,155.38 : 156,156.93 = 65,410.74 : x
2. Step 2: Convert to fraction form
   113,155.38/156,156.93 = 65,410.74/x
3. Step 3: Cross multiply
   113,155.38x = 156,156.93 × 65,410.74
4. Step 4: Simplify right side
   113,155.38x = 10,214,340,347.43
5. Step 5: Solve for x
   x = 10,214,340,347.43/113,155.38
6. Step 6: Final answer
   x = 90,268.27