Finding the Fourth Proportional to 966.89, 1,443.33 and 850.12

Step by Step Solution

1. Step 1: Write the proportion equation
   966.89 : 1,443.33 = 850.12 : x
2. Step 2: Convert to fraction form
   966.89/1,443.33 = 850.12/x
3. Step 3: Cross multiply
   966.89x = 1,443.33 × 850.12
4. Step 4: Simplify right side
   966.89x = 1,227,003.70
5. Step 5: Solve for x
   x = 1,227,003.70/966.89
6. Step 6: Final answer
   x = 1,269.02