Finding the Fourth Proportional to 113,136.14, 156,123.54 and 62,838.38

Step by Step Solution

1. Step 1: Write the proportion equation
   113,136.14 : 156,123.54 = 62,838.38 : x
2. Step 2: Convert to fraction form
   113,136.14/156,123.54 = 62,838.38/x
3. Step 3: Cross multiply
   113,136.14x = 156,123.54 × 62,838.38
4. Step 4: Simplify right side
   113,136.14x = 9,810,550,333.47
5. Step 5: Solve for x
   x = 9,810,550,333.47/113,136.14
6. Step 6: Final answer
   x = 86,714.56