Finding the Fourth Proportional to 2,411.86, 3,618.25 and 1,590.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.86 : 3,618.25 = 1,590.83 : x
2. Step 2: Convert to fraction form
   2,411.86/3,618.25 = 1,590.83/x
3. Step 3: Cross multiply
   2,411.86x = 3,618.25 × 1,590.83
4. Step 4: Simplify right side
   2,411.86x = 5,756,020.65
5. Step 5: Solve for x
   x = 5,756,020.65/2,411.86
6. Step 6: Final answer
   x = 2,386.55