Finding the Fourth Proportional to 113,050.72, 156,011.96 and 62,068.20

Step by Step Solution

1. Step 1: Write the proportion equation
   113,050.72 : 156,011.96 = 62,068.20 : x
2. Step 2: Convert to fraction form
   113,050.72/156,011.96 = 62,068.20/x
3. Step 3: Cross multiply
   113,050.72x = 156,011.96 × 62,068.20
4. Step 4: Simplify right side
   113,050.72x = 9,683,381,535.67
5. Step 5: Solve for x
   x = 9,683,381,535.67/113,050.72
6. Step 6: Final answer
   x = 85,655.20