Finding the Fourth Proportional to 72,517.59, 108,744.26 and 38,775.42

Step by Step Solution

1. Step 1: Write the proportion equation
   72,517.59 : 108,744.26 = 38,775.42 : x
2. Step 2: Convert to fraction form
   72,517.59/108,744.26 = 38,775.42/x
3. Step 3: Cross multiply
   72,517.59x = 108,744.26 × 38,775.42
4. Step 4: Simplify right side
   72,517.59x = 4,216,604,451.03
5. Step 5: Solve for x
   x = 4,216,604,451.03/72,517.59
6. Step 6: Final answer
   x = 58,145.95