Finding the Fourth Proportional to 2,590.39, 3,574.82 and 1,411.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.39 : 3,574.82 = 1,411.55 : x
2. Step 2: Convert to fraction form
   2,590.39/3,574.82 = 1,411.55/x
3. Step 3: Cross multiply
   2,590.39x = 3,574.82 × 1,411.55
4. Step 4: Simplify right side
   2,590.39x = 5,046,012.24
5. Step 5: Solve for x
   x = 5,046,012.24/2,590.39
6. Step 6: Final answer
   x = 1,947.98