Finding the Fourth Proportional to 113,271.45, 156,318.61 and 62,288.05

Step by Step Solution

1. Step 1: Write the proportion equation
   113,271.45 : 156,318.61 = 62,288.05 : x
2. Step 2: Convert to fraction form
   113,271.45/156,318.61 = 62,288.05/x
3. Step 3: Cross multiply
   113,271.45x = 156,318.61 × 62,288.05
4. Step 4: Simplify right side
   113,271.45x = 9,736,780,614.02
5. Step 5: Solve for x
   x = 9,736,780,614.02/113,271.45
6. Step 6: Final answer
   x = 85,959.71