Finding the Fourth Proportional to 2,574.27, 3,552.69 and 1,440.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574.27 : 3,552.69 = 1,440.04 : x
2. Step 2: Convert to fraction form
   2,574.27/3,552.69 = 1,440.04/x
3. Step 3: Cross multiply
   2,574.27x = 3,552.69 × 1,440.04
4. Step 4: Simplify right side
   2,574.27x = 5,115,990.74
5. Step 5: Solve for x
   x = 5,115,990.74/2,574.27
6. Step 6: Final answer
   x = 1,987.36