Finding the Fourth Proportional to 1,132.79, 1,565.39 and 964.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132.79 : 1,565.39 = 964.71 : x
2. Step 2: Convert to fraction form
   1,132.79/1,565.39 = 964.71/x
3. Step 3: Cross multiply
   1,132.79x = 1,565.39 × 964.71
4. Step 4: Simplify right side
   1,132.79x = 1,510,149.80
5. Step 5: Solve for x
   x = 1,510,149.80/1,132.79
6. Step 6: Final answer
   x = 1,333.13