Finding the Fourth Proportional to 3,429.08, 5,143.82 and 964.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,429.08 : 5,143.82 = 964.09 : x
2. Step 2: Convert to fraction form
   3,429.08/5,143.82 = 964.09/x
3. Step 3: Cross multiply
   3,429.08x = 5,143.82 × 964.09
4. Step 4: Simplify right side
   3,429.08x = 4,959,105.42
5. Step 5: Solve for x
   x = 4,959,105.42/3,429.08
6. Step 6: Final answer
   x = 1,446.19