Finding the Fourth Proportional to 1,116.28, 1,540.44 and 650.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116.28 : 1,540.44 = 650.52 : x
2. Step 2: Convert to fraction form
   1,116.28/1,540.44 = 650.52/x
3. Step 3: Cross multiply
   1,116.28x = 1,540.44 × 650.52
4. Step 4: Simplify right side
   1,116.28x = 1,002,087.03
5. Step 5: Solve for x
   x = 1,002,087.03/1,116.28
6. Step 6: Final answer
   x = 897.70