Finding the Fourth Proportional to 2,589.90, 3,574.02 and 1,411.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,589.90 : 3,574.02 = 1,411.02 : x
2. Step 2: Convert to fraction form
   2,589.90/3,574.02 = 1,411.02/x
3. Step 3: Cross multiply
   2,589.90x = 3,574.02 × 1,411.02
4. Step 4: Simplify right side
   2,589.90x = 5,043,013.70
5. Step 5: Solve for x
   x = 5,043,013.70/2,589.90
6. Step 6: Final answer
   x = 1,947.18