Finding the Fourth Proportional to 2,711.64, 4,066.04 and 956.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,711.64 : 4,066.04 = 956.31 : x
2. Step 2: Convert to fraction form
   2,711.64/4,066.04 = 956.31/x
3. Step 3: Cross multiply
   2,711.64x = 4,066.04 × 956.31
4. Step 4: Simplify right side
   2,711.64x = 3,888,389.93
5. Step 5: Solve for x
   x = 3,888,389.93/2,711.64
6. Step 6: Final answer
   x = 1,433.96