Finding the Fourth Proportional to 1,123.48, 1,549.88 and 725.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.48 : 1,549.88 = 725.04 : x
2. Step 2: Convert to fraction form
   1,123.48/1,549.88 = 725.04/x
3. Step 3: Cross multiply
   1,123.48x = 1,549.88 × 725.04
4. Step 4: Simplify right side
   1,123.48x = 1,123,725.00
5. Step 5: Solve for x
   x = 1,123,725.00/1,123.48
6. Step 6: Final answer
   x = 1,000.22