Finding the Fourth Proportional to 78,562.89, 108,414.99 and 42,752.97

Step by Step Solution

1. Step 1: Write the proportion equation
   78,562.89 : 108,414.99 = 42,752.97 : x
2. Step 2: Convert to fraction form
   78,562.89/108,414.99 = 42,752.97/x
3. Step 3: Cross multiply
   78,562.89x = 108,414.99 × 42,752.97
4. Step 4: Simplify right side
   78,562.89x = 4,635,062,815.02
5. Step 5: Solve for x
   x = 4,635,062,815.02/78,562.89
6. Step 6: Final answer
   x = 58,998.12