Finding the Fourth Proportional to 25,049.50, 34,569.39 and 13,871.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,049.50 : 34,569.39 = 13,871.50 : x
2. Step 2: Convert to fraction form
   25,049.50/34,569.39 = 13,871.50/x
3. Step 3: Cross multiply
   25,049.50x = 34,569.39 × 13,871.50
4. Step 4: Simplify right side
   25,049.50x = 479,529,293.39
5. Step 5: Solve for x
   x = 479,529,293.39/25,049.50
6. Step 6: Final answer
   x = 19,143.27