Finding the Fourth Proportional to 72,152.52, 108,229.50 and 25,405.80

Step by Step Solution

1. Step 1: Write the proportion equation
   72,152.52 : 108,229.50 = 25,405.80 : x
2. Step 2: Convert to fraction form
   72,152.52/108,229.50 = 25,405.80/x
3. Step 3: Cross multiply
   72,152.52x = 108,229.50 × 25,405.80
4. Step 4: Simplify right side
   72,152.52x = 2,749,657,031.10
5. Step 5: Solve for x
   x = 2,749,657,031.10/72,152.52
6. Step 6: Final answer
   x = 38,108.95