Finding the Fourth Proportional to 25,061.43, 34,583.43 and 13,728.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,061.43 : 34,583.43 = 13,728.72 : x
2. Step 2: Convert to fraction form
   25,061.43/34,583.43 = 13,728.72/x
3. Step 3: Cross multiply
   25,061.43x = 34,583.43 × 13,728.72
4. Step 4: Simplify right side
   25,061.43x = 474,786,227.11
5. Step 5: Solve for x
   x = 474,786,227.11/25,061.43
6. Step 6: Final answer
   x = 18,944.90