Finding the Fourth Proportional to 2,590.12, 3,574.35 and 1,411.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.12 : 3,574.35 = 1,411.21 : x
2. Step 2: Convert to fraction form
   2,590.12/3,574.35 = 1,411.21/x
3. Step 3: Cross multiply
   2,590.12x = 3,574.35 × 1,411.21
4. Step 4: Simplify right side
   2,590.12x = 5,044,158.46
5. Step 5: Solve for x
   x = 5,044,158.46/2,590.12
6. Step 6: Final answer
   x = 1,947.46