Finding the Fourth Proportional to 3,429.57, 5,144.55 and 964.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,429.57 : 5,144.55 = 964.53 : x
2. Step 2: Convert to fraction form
   3,429.57/5,144.55 = 964.53/x
3. Step 3: Cross multiply
   3,429.57x = 5,144.55 × 964.53
4. Step 4: Simplify right side
   3,429.57x = 4,962,072.81
5. Step 5: Solve for x
   x = 4,962,072.81/3,429.57
6. Step 6: Final answer
   x = 1,446.85