Finding the Fourth Proportional to 3,456.17, 5,183.30 and 956.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,456.17 : 5,183.30 = 956.76 : x
2. Step 2: Convert to fraction form
   3,456.17/5,183.30 = 956.76/x
3. Step 3: Cross multiply
   3,456.17x = 5,183.30 × 956.76
4. Step 4: Simplify right side
   3,456.17x = 4,959,176.50
5. Step 5: Solve for x
   x = 4,959,176.50/3,456.17
6. Step 6: Final answer
   x = 1,434.88