Finding the Fourth Proportional to 1,150.27, 1,587.23 and 729.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.27 : 1,587.23 = 729.88 : x
2. Step 2: Convert to fraction form
   1,150.27/1,587.23 = 729.88/x
3. Step 3: Cross multiply
   1,150.27x = 1,587.23 × 729.88
4. Step 4: Simplify right side
   1,150.27x = 1,158,487.43
5. Step 5: Solve for x
   x = 1,158,487.43/1,150.27
6. Step 6: Final answer
   x = 1,007.14