Finding the Fourth Proportional to 1,744.04, 2,406.30 and 1,123.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,744.04 : 2,406.30 = 1,123.40 : x
2. Step 2: Convert to fraction form
   1,744.04/2,406.30 = 1,123.40/x
3. Step 3: Cross multiply
   1,744.04x = 2,406.30 × 1,123.40
4. Step 4: Simplify right side
   1,744.04x = 2,703,237.42
5. Step 5: Solve for x
   x = 2,703,237.42/1,744.04
6. Step 6: Final answer
   x = 1,549.99