Finding the Fourth Proportional to 25,061.76, 34,585.22 and 13,731.68

Step by Step Solution

1. Step 1: Write the proportion equation
   25,061.76 : 34,585.22 = 13,731.68 : x
2. Step 2: Convert to fraction form
   25,061.76/34,585.22 = 13,731.68/x
3. Step 3: Cross multiply
   25,061.76x = 34,585.22 × 13,731.68
4. Step 4: Simplify right side
   25,061.76x = 474,913,173.77
5. Step 5: Solve for x
   x = 474,913,173.77/25,061.76
6. Step 6: Final answer
   x = 18,949.72