Finding the Fourth Proportional to 2,454.27, 3,680.87 and 722.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,454.27 : 3,680.87 = 722.49 : x
2. Step 2: Convert to fraction form
   2,454.27/3,680.87 = 722.49/x
3. Step 3: Cross multiply
   2,454.27x = 3,680.87 × 722.49
4. Step 4: Simplify right side
   2,454.27x = 2,659,388.15
5. Step 5: Solve for x
   x = 2,659,388.15/2,454.27
6. Step 6: Final answer
   x = 1,083.58