Finding the Fourth Proportional to 25,061.59, 34,584.97 and 13,731.79

Step by Step Solution

1. Step 1: Write the proportion equation
   25,061.59 : 34,584.97 = 13,731.79 : x
2. Step 2: Convert to fraction form
   25,061.59/34,584.97 = 13,731.79/x
3. Step 3: Cross multiply
   25,061.59x = 34,584.97 × 13,731.79
4. Step 4: Simplify right side
   25,061.59x = 474,913,545.20
5. Step 5: Solve for x
   x = 474,913,545.20/25,061.59
6. Step 6: Final answer
   x = 18,949.86