Finding the Fourth Proportional to 2,456.52, 3,684.30 and 724.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.52 : 3,684.30 = 724.68 : x
2. Step 2: Convert to fraction form
   2,456.52/3,684.30 = 724.68/x
3. Step 3: Cross multiply
   2,456.52x = 3,684.30 × 724.68
4. Step 4: Simplify right side
   2,456.52x = 2,669,938.52
5. Step 5: Solve for x
   x = 2,669,938.52/2,456.52
6. Step 6: Final answer
   x = 1,086.88