Finding the Fourth Proportional to 1,517.52, 2,275.76 and 868.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,517.52 : 2,275.76 = 868.48 : x
2. Step 2: Convert to fraction form
   1,517.52/2,275.76 = 868.48/x
3. Step 3: Cross multiply
   1,517.52x = 2,275.76 × 868.48
4. Step 4: Simplify right side
   1,517.52x = 1,976,452.04
5. Step 5: Solve for x
   x = 1,976,452.04/1,517.52
6. Step 6: Final answer
   x = 1,302.42