Finding the Fourth Proportional to 2,038.55, 3,057.17 and 868.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038.55 : 3,057.17 = 868.53 : x
2. Step 2: Convert to fraction form
   2,038.55/3,057.17 = 868.53/x
3. Step 3: Cross multiply
   2,038.55x = 3,057.17 × 868.53
4. Step 4: Simplify right side
   2,038.55x = 2,655,239.52
5. Step 5: Solve for x
   x = 2,655,239.52/2,038.55
6. Step 6: Final answer
   x = 1,302.52