Finding the Fourth Proportional to 2,590.05, 3,574.67 and 1,542.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.05 : 3,574.67 = 1,542.72 : x
2. Step 2: Convert to fraction form
   2,590.05/3,574.67 = 1,542.72/x
3. Step 3: Cross multiply
   2,590.05x = 3,574.67 × 1,542.72
4. Step 4: Simplify right side
   2,590.05x = 5,514,714.90
5. Step 5: Solve for x
   x = 5,514,714.90/2,590.05
6. Step 6: Final answer
   x = 2,129.19