Finding the Fourth Proportional to 2,456.55, 3,683.69 and 724.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.55 : 3,683.69 = 724.83 : x
2. Step 2: Convert to fraction form
   2,456.55/3,683.69 = 724.83/x
3. Step 3: Cross multiply
   2,456.55x = 3,683.69 × 724.83
4. Step 4: Simplify right side
   2,456.55x = 2,670,045.40
5. Step 5: Solve for x
   x = 2,670,045.40/2,456.55
6. Step 6: Final answer
   x = 1,086.91