Finding the Fourth Proportional to 1,123.04, 1,549.81 and 650.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.04 : 1,549.81 = 650.89 : x
2. Step 2: Convert to fraction form
   1,123.04/1,549.81 = 650.89/x
3. Step 3: Cross multiply
   1,123.04x = 1,549.81 × 650.89
4. Step 4: Simplify right side
   1,123.04x = 1,008,755.83
5. Step 5: Solve for x
   x = 1,008,755.83/1,123.04
6. Step 6: Final answer
   x = 898.24