Finding the Fourth Proportional to 2,590.47, 3,574.80 and 1,411.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.47 : 3,574.80 = 1,411.52 : x
2. Step 2: Convert to fraction form
   2,590.47/3,574.80 = 1,411.52/x
3. Step 3: Cross multiply
   2,590.47x = 3,574.80 × 1,411.52
4. Step 4: Simplify right side
   2,590.47x = 5,045,883.82
5. Step 5: Solve for x
   x = 5,045,883.82/2,590.47
6. Step 6: Final answer
   x = 1,947.86