Finding the Fourth Proportional to 2,590.31, 3,574.64 and 1,411.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.31 : 3,574.64 = 1,411.38 : x
2. Step 2: Convert to fraction form
   2,590.31/3,574.64 = 1,411.38/x
3. Step 3: Cross multiply
   2,590.31x = 3,574.64 × 1,411.38
4. Step 4: Simplify right side
   2,590.31x = 5,045,175.40
5. Step 5: Solve for x
   x = 5,045,175.40/2,590.31
6. Step 6: Final answer
   x = 1,947.71