Finding the Fourth Proportional to 2,590.57, 3,574.98 and 1,411.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.57 : 3,574.98 = 1,411.64 : x
2. Step 2: Convert to fraction form
   2,590.57/3,574.98 = 1,411.64/x
3. Step 3: Cross multiply
   2,590.57x = 3,574.98 × 1,411.64
4. Step 4: Simplify right side
   2,590.57x = 5,046,584.27
5. Step 5: Solve for x
   x = 5,046,584.27/2,590.57
6. Step 6: Final answer
   x = 1,948.06