Finding the Fourth Proportional to 1,744, 2,406.72 and 1,008

Step by Step Solution

1. Step 1: Write the proportion equation
   1,744 : 2,406.72 = 1,008 : x
2. Step 2: Convert to fraction form
   1,744/2,406.72 = 1,008/x
3. Step 3: Cross multiply
   1,744x = 2,406.72 × 1,008
4. Step 4: Simplify right side
   1,744x = 2,425,973.76
5. Step 5: Solve for x
   x = 2,425,973.76/1,744
6. Step 6: Final answer
   x = 1,391.04