Finding the Fourth Proportional to 72,171.84, 108,255.32 and 25,423.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,171.84 : 108,255.32 = 25,423.50 : x
2. Step 2: Convert to fraction form
   72,171.84/108,255.32 = 25,423.50/x
3. Step 3: Cross multiply
   72,171.84x = 108,255.32 × 25,423.50
4. Step 4: Simplify right side
   72,171.84x = 2,752,229,128.02
5. Step 5: Solve for x
   x = 2,752,229,128.02/72,171.84
6. Step 6: Final answer
   x = 38,134.39