Finding the Fourth Proportional to 62,887.52, 86,776.90 and 42,513.92

Step by Step Solution

1. Step 1: Write the proportion equation
   62,887.52 : 86,776.90 = 42,513.92 : x
2. Step 2: Convert to fraction form
   62,887.52/86,776.90 = 42,513.92/x
3. Step 3: Cross multiply
   62,887.52x = 86,776.90 × 42,513.92
4. Step 4: Simplify right side
   62,887.52x = 3,689,226,184.45
5. Step 5: Solve for x
   x = 3,689,226,184.45/62,887.52
6. Step 6: Final answer
   x = 58,663.88