Finding the Fourth Proportional to 2,590.64, 3,575.12 and 1,411.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.64 : 3,575.12 = 1,411.73 : x
2. Step 2: Convert to fraction form
   2,590.64/3,575.12 = 1,411.73/x
3. Step 3: Cross multiply
   2,590.64x = 3,575.12 × 1,411.73
4. Step 4: Simplify right side
   2,590.64x = 5,047,079.22
5. Step 5: Solve for x
   x = 5,047,079.22/2,590.64
6. Step 6: Final answer
   x = 1,948.20