Finding the Fourth Proportional to 72,402.52, 108,577.12 and 25,005.56

Step by Step Solution

1. Step 1: Write the proportion equation
   72,402.52 : 108,577.12 = 25,005.56 : x
2. Step 2: Convert to fraction form
   72,402.52/108,577.12 = 25,005.56/x
3. Step 3: Cross multiply
   72,402.52x = 108,577.12 × 25,005.56
4. Step 4: Simplify right side
   72,402.52x = 2,715,031,688.79
5. Step 5: Solve for x
   x = 2,715,031,688.79/72,402.52
6. Step 6: Final answer
   x = 37,499.13