Finding the Fourth Proportional to 2,150.66, 3,223.16 and 851.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.66 : 3,223.16 = 851.42 : x
2. Step 2: Convert to fraction form
   2,150.66/3,223.16 = 851.42/x
3. Step 3: Cross multiply
   2,150.66x = 3,223.16 × 851.42
4. Step 4: Simplify right side
   2,150.66x = 2,744,258.63
5. Step 5: Solve for x
   x = 2,744,258.63/2,150.66
6. Step 6: Final answer
   x = 1,276.01