Finding the Fourth Proportional to 2,390.18, 3,584.66 and 850.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390.18 : 3,584.66 = 850.82 : x
2. Step 2: Convert to fraction form
   2,390.18/3,584.66 = 850.82/x
3. Step 3: Cross multiply
   2,390.18x = 3,584.66 × 850.82
4. Step 4: Simplify right side
   2,390.18x = 3,049,900.42
5. Step 5: Solve for x
   x = 3,049,900.42/2,390.18
6. Step 6: Final answer
   x = 1,276.01