Finding the Fourth Proportional to 2,456.28, 3,685.01 and 724.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.28 : 3,685.01 = 724.91 : x
2. Step 2: Convert to fraction form
   2,456.28/3,685.01 = 724.91/x
3. Step 3: Cross multiply
   2,456.28x = 3,685.01 × 724.91
4. Step 4: Simplify right side
   2,456.28x = 2,671,278.55
5. Step 5: Solve for x
   x = 2,671,278.55/2,456.28
6. Step 6: Final answer
   x = 1,087.53