Finding the Fourth Proportional to 1,438.16, 1,984.41 and 966.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438.16 : 1,984.41 = 966.83 : x
2. Step 2: Convert to fraction form
   1,438.16/1,984.41 = 966.83/x
3. Step 3: Cross multiply
   1,438.16x = 1,984.41 × 966.83
4. Step 4: Simplify right side
   1,438.16x = 1,918,577.20
5. Step 5: Solve for x
   x = 1,918,577.20/1,438.16
6. Step 6: Final answer
   x = 1,334.05