Finding the Fourth Proportional to 1,168.32, 1,613.04 and 726.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,168.32 : 1,613.04 = 726.87 : x
2. Step 2: Convert to fraction form
   1,168.32/1,613.04 = 726.87/x
3. Step 3: Cross multiply
   1,168.32x = 1,613.04 × 726.87
4. Step 4: Simplify right side
   1,168.32x = 1,172,470.38
5. Step 5: Solve for x
   x = 1,172,470.38/1,168.32
6. Step 6: Final answer
   x = 1,003.55