Finding the Fourth Proportional to 1,123.31, 1,549.98 and 650.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.31 : 1,549.98 = 650.97 : x
2. Step 2: Convert to fraction form
   1,123.31/1,549.98 = 650.97/x
3. Step 3: Cross multiply
   1,123.31x = 1,549.98 × 650.97
4. Step 4: Simplify right side
   1,123.31x = 1,008,990.48
5. Step 5: Solve for x
   x = 1,008,990.48/1,123.31
6. Step 6: Final answer
   x = 898.23