Finding the Fourth Proportional to 113,243, 156,285.06 and 62,951.72

Step by Step Solution

1. Step 1: Write the proportion equation
   113,243 : 156,285.06 = 62,951.72 : x
2. Step 2: Convert to fraction form
   113,243/156,285.06 = 62,951.72/x
3. Step 3: Cross multiply
   113,243x = 156,285.06 × 62,951.72
4. Step 4: Simplify right side
   113,243x = 9,838,413,337.30
5. Step 5: Solve for x
   x = 9,838,413,337.30/113,243
6. Step 6: Final answer
   x = 86,878.78