Finding the Fourth Proportional to 2,590.07, 3,574.31 and 1,411.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.07 : 3,574.31 = 1,411.15 : x
2. Step 2: Convert to fraction form
   2,590.07/3,574.31 = 1,411.15/x
3. Step 3: Cross multiply
   2,590.07x = 3,574.31 × 1,411.15
4. Step 4: Simplify right side
   2,590.07x = 5,043,887.56
5. Step 5: Solve for x
   x = 5,043,887.56/2,590.07
6. Step 6: Final answer
   x = 1,947.39