Finding the Fourth Proportional to 113,472.48, 156,582 and 65,710.56

Step by Step Solution

1. Step 1: Write the proportion equation
   113,472.48 : 156,582 = 65,710.56 : x
2. Step 2: Convert to fraction form
   113,472.48/156,582 = 65,710.56/x
3. Step 3: Cross multiply
   113,472.48x = 156,582 × 65,710.56
4. Step 4: Simplify right side
   113,472.48x = 10,289,090,905.92
5. Step 5: Solve for x
   x = 10,289,090,905.92/113,472.48
6. Step 6: Final answer
   x = 90,674.77