Finding the Fourth Proportional to 25,144.56, 34,699.25 and 13,659.71

Step by Step Solution

1. Step 1: Write the proportion equation
   25,144.56 : 34,699.25 = 13,659.71 : x
2. Step 2: Convert to fraction form
   25,144.56/34,699.25 = 13,659.71/x
3. Step 3: Cross multiply
   25,144.56x = 34,699.25 × 13,659.71
4. Step 4: Simplify right side
   25,144.56x = 473,981,552.87
5. Step 5: Solve for x
   x = 473,981,552.87/25,144.56
6. Step 6: Final answer
   x = 18,850.26