Finding the Fourth Proportional to 2,586.22, 3,569.05 and 1,590.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586.22 : 3,569.05 = 1,590.93 : x
2. Step 2: Convert to fraction form
   2,586.22/3,569.05 = 1,590.93/x
3. Step 3: Cross multiply
   2,586.22x = 3,569.05 × 1,590.93
4. Step 4: Simplify right side
   2,586.22x = 5,678,108.72
5. Step 5: Solve for x
   x = 5,678,108.72/2,586.22
6. Step 6: Final answer
   x = 2,195.52