Finding the Fourth Proportional to 113,638.56, 156,828.24 and 62,651.04

Step by Step Solution

1. Step 1: Write the proportion equation
   113,638.56 : 156,828.24 = 62,651.04 : x
2. Step 2: Convert to fraction form
   113,638.56/156,828.24 = 62,651.04/x
3. Step 3: Cross multiply
   113,638.56x = 156,828.24 × 62,651.04
4. Step 4: Simplify right side
   113,638.56x = 9,825,452,337.37
5. Step 5: Solve for x
   x = 9,825,452,337.37/113,638.56
6. Step 6: Final answer
   x = 86,462.31