Finding the Fourth Proportional to 2,590.90, 3,575.61 and 1,542.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.90 : 3,575.61 = 1,542.82 : x
2. Step 2: Convert to fraction form
   2,590.90/3,575.61 = 1,542.82/x
3. Step 3: Cross multiply
   2,590.90x = 3,575.61 × 1,542.82
4. Step 4: Simplify right side
   2,590.90x = 5,516,522.62
5. Step 5: Solve for x
   x = 5,516,522.62/2,590.90
6. Step 6: Final answer
   x = 2,129.19