Finding the Fourth Proportional to 113,591.47, 156,749.20 and 62,601.37

Step by Step Solution

1. Step 1: Write the proportion equation
   113,591.47 : 156,749.20 = 62,601.37 : x
2. Step 2: Convert to fraction form
   113,591.47/156,749.20 = 62,601.37/x
3. Step 3: Cross multiply
   113,591.47x = 156,749.20 × 62,601.37
4. Step 4: Simplify right side
   113,591.47x = 9,812,714,666.40
5. Step 5: Solve for x
   x = 9,812,714,666.40/113,591.47
6. Step 6: Final answer
   x = 86,386.02