Finding the Fourth Proportional to 25,035.46, 34,470.18 and 21,250.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,035.46 : 34,470.18 = 21,250.72 : x
2. Step 2: Convert to fraction form
   25,035.46/34,470.18 = 21,250.72/x
3. Step 3: Cross multiply
   25,035.46x = 34,470.18 × 21,250.72
4. Step 4: Simplify right side
   25,035.46x = 732,516,143.53
5. Step 5: Solve for x
   x = 732,516,143.53/25,035.46
6. Step 6: Final answer
   x = 29,259.14