Finding the Fourth Proportional to 102,288.08, 141,117 and 62,567.12

Step by Step Solution

1. Step 1: Write the proportion equation
   102,288.08 : 141,117 = 62,567.12 : x
2. Step 2: Convert to fraction form
   102,288.08/141,117 = 62,567.12/x
3. Step 3: Cross multiply
   102,288.08x = 141,117 × 62,567.12
4. Step 4: Simplify right side
   102,288.08x = 8,829,284,273.04
5. Step 5: Solve for x
   x = 8,829,284,273.04/102,288.08
6. Step 6: Final answer
   x = 86,317.82