Finding the Fourth Proportional to 2,585.33, 3,566.31 and 1,590.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585.33 : 3,566.31 = 1,590.42 : x
2. Step 2: Convert to fraction form
   2,585.33/3,566.31 = 1,590.42/x
3. Step 3: Cross multiply
   2,585.33x = 3,566.31 × 1,590.42
4. Step 4: Simplify right side
   2,585.33x = 5,671,930.75
5. Step 5: Solve for x
   x = 5,671,930.75/2,585.33
6. Step 6: Final answer
   x = 2,193.89