Finding the Fourth Proportional to 2,687.46, 4,030.56 and 956.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,687.46 : 4,030.56 = 956.10 : x
2. Step 2: Convert to fraction form
   2,687.46/4,030.56 = 956.10/x
3. Step 3: Cross multiply
   2,687.46x = 4,030.56 × 956.10
4. Step 4: Simplify right side
   2,687.46x = 3,853,618.42
5. Step 5: Solve for x
   x = 3,853,618.42/2,687.46
6. Step 6: Final answer
   x = 1,433.93