Finding the Fourth Proportional to 1,152.48, 1,727.52 and 863.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152.48 : 1,727.52 = 863.04 : x
2. Step 2: Convert to fraction form
   1,152.48/1,727.52 = 863.04/x
3. Step 3: Cross multiply
   1,152.48x = 1,727.52 × 863.04
4. Step 4: Simplify right side
   1,152.48x = 1,490,918.86
5. Step 5: Solve for x
   x = 1,490,918.86/1,152.48
6. Step 6: Final answer
   x = 1,293.66