Finding the Fourth Proportional to 1,122.82, 1,549.56 and 650.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,122.82 : 1,549.56 = 650.56 : x
2. Step 2: Convert to fraction form
   1,122.82/1,549.56 = 650.56/x
3. Step 3: Cross multiply
   1,122.82x = 1,549.56 × 650.56
4. Step 4: Simplify right side
   1,122.82x = 1,008,081.75
5. Step 5: Solve for x
   x = 1,008,081.75/1,122.82
6. Step 6: Final answer
   x = 897.81