Finding the Fourth Proportional to 113,153.48, 156,022.98 and 72,262.52

Step by Step Solution

1. Step 1: Write the proportion equation
   113,153.48 : 156,022.98 = 72,262.52 : x
2. Step 2: Convert to fraction form
   113,153.48/156,022.98 = 72,262.52/x
3. Step 3: Cross multiply
   113,153.48x = 156,022.98 × 72,262.52
4. Step 4: Simplify right side
   113,153.48x = 11,274,613,712.71
5. Step 5: Solve for x
   x = 11,274,613,712.71/113,153.48
6. Step 6: Final answer
   x = 99,640.01