Finding the Fourth Proportional to 2,039.16, 3,057.97 and 868.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,039.16 : 3,057.97 = 868.43 : x
2. Step 2: Convert to fraction form
   2,039.16/3,057.97 = 868.43/x
3. Step 3: Cross multiply
   2,039.16x = 3,057.97 × 868.43
4. Step 4: Simplify right side
   2,039.16x = 2,655,632.89
5. Step 5: Solve for x
   x = 2,655,632.89/2,039.16
6. Step 6: Final answer
   x = 1,302.32