Finding the Fourth Proportional to 1,116.25, 1,540.52 and 650.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116.25 : 1,540.52 = 650.59 : x
2. Step 2: Convert to fraction form
   1,116.25/1,540.52 = 650.59/x
3. Step 3: Cross multiply
   1,116.25x = 1,540.52 × 650.59
4. Step 4: Simplify right side
   1,116.25x = 1,002,246.91
5. Step 5: Solve for x
   x = 1,002,246.91/1,116.25
6. Step 6: Final answer
   x = 897.87