Finding the Fourth Proportional to 2,487.97, 3,433.42 and 1,425.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487.97 : 3,433.42 = 1,425.71 : x
2. Step 2: Convert to fraction form
   2,487.97/3,433.42 = 1,425.71/x
3. Step 3: Cross multiply
   2,487.97x = 3,433.42 × 1,425.71
4. Step 4: Simplify right side
   2,487.97x = 4,895,061.94
5. Step 5: Solve for x
   x = 4,895,061.94/2,487.97
6. Step 6: Final answer
   x = 1,967.50