Finding the Fourth Proportional to 2,582.65, 3,873.61 and 850.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,582.65 : 3,873.61 = 850.69 : x
2. Step 2: Convert to fraction form
   2,582.65/3,873.61 = 850.69/x
3. Step 3: Cross multiply
   2,582.65x = 3,873.61 × 850.69
4. Step 4: Simplify right side
   2,582.65x = 3,295,229.48
5. Step 5: Solve for x
   x = 3,295,229.48/2,582.65
6. Step 6: Final answer
   x = 1,275.91