Finding the Fourth Proportional to 25,451.72, 35,123.37 and 14,839.30

Step by Step Solution

1. Step 1: Write the proportion equation
   25,451.72 : 35,123.37 = 14,839.30 : x
2. Step 2: Convert to fraction form
   25,451.72/35,123.37 = 14,839.30/x
3. Step 3: Cross multiply
   25,451.72x = 35,123.37 × 14,839.30
4. Step 4: Simplify right side
   25,451.72x = 521,206,296.17
5. Step 5: Solve for x
   x = 521,206,296.17/25,451.72
6. Step 6: Final answer
   x = 20,478.24