Finding the Fourth Proportional to 2,454.07, 3,681.72 and 722.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,454.07 : 3,681.72 = 722.71 : x
2. Step 2: Convert to fraction form
   2,454.07/3,681.72 = 722.71/x
3. Step 3: Cross multiply
   2,454.07x = 3,681.72 × 722.71
4. Step 4: Simplify right side
   2,454.07x = 2,660,815.86
5. Step 5: Solve for x
   x = 2,660,815.86/2,454.07
6. Step 6: Final answer
   x = 1,084.25