Finding the Fourth Proportional to 2,150.16, 3,222.41 and 850.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.16 : 3,222.41 = 850.92 : x
2. Step 2: Convert to fraction form
   2,150.16/3,222.41 = 850.92/x
3. Step 3: Cross multiply
   2,150.16x = 3,222.41 × 850.92
4. Step 4: Simplify right side
   2,150.16x = 2,742,008.86
5. Step 5: Solve for x
   x = 2,742,008.86/2,150.16
6. Step 6: Final answer
   x = 1,275.26