Finding the Fourth Proportional to 2,343.28, 3,515.12 and 956.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,343.28 : 3,515.12 = 956.71 : x
2. Step 2: Convert to fraction form
   2,343.28/3,515.12 = 956.71/x
3. Step 3: Cross multiply
   2,343.28x = 3,515.12 × 956.71
4. Step 4: Simplify right side
   2,343.28x = 3,362,950.46
5. Step 5: Solve for x
   x = 3,362,950.46/2,343.28
6. Step 6: Final answer
   x = 1,435.15