Finding the Fourth Proportional to 2,590.88, 3,575.42 and 1,411.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.88 : 3,575.42 = 1,411.92 : x
2. Step 2: Convert to fraction form
   2,590.88/3,575.42 = 1,411.92/x
3. Step 3: Cross multiply
   2,590.88x = 3,575.42 × 1,411.92
4. Step 4: Simplify right side
   2,590.88x = 5,048,199.95
5. Step 5: Solve for x
   x = 5,048,199.95/2,590.88
6. Step 6: Final answer
   x = 1,948.45