Finding the Fourth Proportional to 1,116.52, 1,540.52 and 650.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116.52 : 1,540.52 = 650.76 : x
2. Step 2: Convert to fraction form
   1,116.52/1,540.52 = 650.76/x
3. Step 3: Cross multiply
   1,116.52x = 1,540.52 × 650.76
4. Step 4: Simplify right side
   1,116.52x = 1,002,508.80
5. Step 5: Solve for x
   x = 1,002,508.80/1,116.52
6. Step 6: Final answer
   x = 897.89