Finding the Fourth Proportional to 2,590.85, 3,575.48 and 1,411.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.85 : 3,575.48 = 1,411.98 : x
2. Step 2: Convert to fraction form
   2,590.85/3,575.48 = 1,411.98/x
3. Step 3: Cross multiply
   2,590.85x = 3,575.48 × 1,411.98
4. Step 4: Simplify right side
   2,590.85x = 5,048,499.19
5. Step 5: Solve for x
   x = 5,048,499.19/2,590.85
6. Step 6: Final answer
   x = 1,948.59