Finding the Fourth Proportional to 2,590.16, 3,574.50 and 1,411.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.16 : 3,574.50 = 1,411.16 : x
2. Step 2: Convert to fraction form
   2,590.16/3,574.50 = 1,411.16/x
3. Step 3: Cross multiply
   2,590.16x = 3,574.50 × 1,411.16
4. Step 4: Simplify right side
   2,590.16x = 5,044,191.42
5. Step 5: Solve for x
   x = 5,044,191.42/2,590.16
6. Step 6: Final answer
   x = 1,947.44