Finding the Fourth Proportional to 3,429.04, 5,143.76 and 964.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,429.04 : 5,143.76 = 964.05 : x
2. Step 2: Convert to fraction form
   3,429.04/5,143.76 = 964.05/x
3. Step 3: Cross multiply
   3,429.04x = 5,143.76 × 964.05
4. Step 4: Simplify right side
   3,429.04x = 4,958,841.83
5. Step 5: Solve for x
   x = 4,958,841.83/3,429.04
6. Step 6: Final answer
   x = 1,446.13