Finding the Fourth Proportional to 1,339.68, 1,849.59 and 966.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339.68 : 1,849.59 = 966.42 : x
2. Step 2: Convert to fraction form
   1,339.68/1,849.59 = 966.42/x
3. Step 3: Cross multiply
   1,339.68x = 1,849.59 × 966.42
4. Step 4: Simplify right side
   1,339.68x = 1,787,480.77
5. Step 5: Solve for x
   x = 1,787,480.77/1,339.68
6. Step 6: Final answer
   x = 1,334.26