Finding the Fourth Proportional to 113,417.42, 156,516.59 and 62,435.28

Step by Step Solution

1. Step 1: Write the proportion equation
   113,417.42 : 156,516.59 = 62,435.28 : x
2. Step 2: Convert to fraction form
   113,417.42/156,516.59 = 62,435.28/x
3. Step 3: Cross multiply
   113,417.42x = 156,516.59 × 62,435.28
4. Step 4: Simplify right side
   113,417.42x = 9,772,157,277.38
5. Step 5: Solve for x
   x = 9,772,157,277.38/113,417.42
6. Step 6: Final answer
   x = 86,160.99