Finding the Fourth Proportional to 78,327.90, 108,092.12 and 42,517.62

Step by Step Solution

1. Step 1: Write the proportion equation
   78,327.90 : 108,092.12 = 42,517.62 : x
2. Step 2: Convert to fraction form
   78,327.90/108,092.12 = 42,517.62/x
3. Step 3: Cross multiply
   78,327.90x = 108,092.12 × 42,517.62
4. Step 4: Simplify right side
   78,327.90x = 4,595,819,470.57
5. Step 5: Solve for x
   x = 4,595,819,470.57/78,327.90
6. Step 6: Final answer
   x = 58,674.11