Finding the Fourth Proportional to 1,150.29, 1,587.27 and 652.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.29 : 1,587.27 = 652.80 : x
2. Step 2: Convert to fraction form
   1,150.29/1,587.27 = 652.80/x
3. Step 3: Cross multiply
   1,150.29x = 1,587.27 × 652.80
4. Step 4: Simplify right side
   1,150.29x = 1,036,169.86
5. Step 5: Solve for x
   x = 1,036,169.86/1,150.29
6. Step 6: Final answer
   x = 900.79