Finding the Fourth Proportional to 2,943.43, 4,414.61 and 863.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,943.43 : 4,414.61 = 863.39 : x
2. Step 2: Convert to fraction form
   2,943.43/4,414.61 = 863.39/x
3. Step 3: Cross multiply
   2,943.43x = 4,414.61 × 863.39
4. Step 4: Simplify right side
   2,943.43x = 3,811,543.32
5. Step 5: Solve for x
   x = 3,811,543.32/2,943.43
6. Step 6: Final answer
   x = 1,294.93