Finding the Fourth Proportional to 2,574.53, 3,553.04 and 1,440.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574.53 : 3,553.04 = 1,440.29 : x
2. Step 2: Convert to fraction form
   2,574.53/3,553.04 = 1,440.29/x
3. Step 3: Cross multiply
   2,574.53x = 3,553.04 × 1,440.29
4. Step 4: Simplify right side
   2,574.53x = 5,117,383.01
5. Step 5: Solve for x
   x = 5,117,383.01/2,574.53
6. Step 6: Final answer
   x = 1,987.70