Finding the Fourth Proportional to 2,456.04, 3,684.24 and 724.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.04 : 3,684.24 = 724.74 : x
2. Step 2: Convert to fraction form
   2,456.04/3,684.24 = 724.74/x
3. Step 3: Cross multiply
   2,456.04x = 3,684.24 × 724.74
4. Step 4: Simplify right side
   2,456.04x = 2,670,116.10
5. Step 5: Solve for x
   x = 2,670,116.10/2,456.04
6. Step 6: Final answer
   x = 1,087.16