Finding the Fourth Proportional to 2,590.05, 3,574.31 and 1,411.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.05 : 3,574.31 = 1,411.12 : x
2. Step 2: Convert to fraction form
   2,590.05/3,574.31 = 1,411.12/x
3. Step 3: Cross multiply
   2,590.05x = 3,574.31 × 1,411.12
4. Step 4: Simplify right side
   2,590.05x = 5,043,780.33
5. Step 5: Solve for x
   x = 5,043,780.33/2,590.05
6. Step 6: Final answer
   x = 1,947.37