Finding the Fourth Proportional to 72,385.34, 108,557.18 and 24,988.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,385.34 : 108,557.18 = 24,988.10 : x
2. Step 2: Convert to fraction form
   72,385.34/108,557.18 = 24,988.10/x
3. Step 3: Cross multiply
   72,385.34x = 108,557.18 × 24,988.10
4. Step 4: Simplify right side
   72,385.34x = 2,712,637,669.56
5. Step 5: Solve for x
   x = 2,712,637,669.56/72,385.34
6. Step 6: Final answer
   x = 37,474.96