Finding the Fourth Proportional to 72,387.34, 108,560.18 and 24,990.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,387.34 : 108,560.18 = 24,990.10 : x
2. Step 2: Convert to fraction form
   72,387.34/108,560.18 = 24,990.10/x
3. Step 3: Cross multiply
   72,387.34x = 108,560.18 × 24,990.10
4. Step 4: Simplify right side
   72,387.34x = 2,712,929,754.22
5. Step 5: Solve for x
   x = 2,712,929,754.22/72,387.34
6. Step 6: Final answer
   x = 37,477.96