Finding the Fourth Proportional to 62,891.86, 86,775.74 and 42,511.92

Step by Step Solution

1. Step 1: Write the proportion equation
   62,891.86 : 86,775.74 = 42,511.92 : x
2. Step 2: Convert to fraction form
   62,891.86/86,775.74 = 42,511.92/x
3. Step 3: Cross multiply
   62,891.86x = 86,775.74 × 42,511.92
4. Step 4: Simplify right side
   62,891.86x = 3,689,003,153.67
5. Step 5: Solve for x
   x = 3,689,003,153.67/62,891.86
6. Step 6: Final answer
   x = 58,656.29