Finding the Fourth Proportional to 72,168.76, 108,266.58 and 25,451.32

Step by Step Solution

1. Step 1: Write the proportion equation
   72,168.76 : 108,266.58 = 25,451.32 : x
2. Step 2: Convert to fraction form
   72,168.76/108,266.58 = 25,451.32/x
3. Step 3: Cross multiply
   72,168.76x = 108,266.58 × 25,451.32
4. Step 4: Simplify right side
   72,168.76x = 2,755,527,372.89
5. Step 5: Solve for x
   x = 2,755,527,372.89/72,168.76
6. Step 6: Final answer
   x = 38,181.72