Finding the Fourth Proportional to 3,429.42, 5,144.10 and 964.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,429.42 : 5,144.10 = 964.25 : x
2. Step 2: Convert to fraction form
   3,429.42/5,144.10 = 964.25/x
3. Step 3: Cross multiply
   3,429.42x = 5,144.10 × 964.25
4. Step 4: Simplify right side
   3,429.42x = 4,960,172.70
5. Step 5: Solve for x
   x = 4,960,172.70/3,429.42
6. Step 6: Final answer
   x = 1,446.36