Finding the Fourth Proportional to 2,324.72, 3,487.71 and 681.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,324.72 : 3,487.71 = 681.25 : x
2. Step 2: Convert to fraction form
   2,324.72/3,487.71 = 681.25/x
3. Step 3: Cross multiply
   2,324.72x = 3,487.71 × 681.25
4. Step 4: Simplify right side
   2,324.72x = 2,376,006.80
5. Step 5: Solve for x
   x = 2,376,006.80/2,324.72
6. Step 6: Final answer
   x = 1,022.06