Finding the Fourth Proportional to 3,429.98, 5,144.94 and 965.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,429.98 : 5,144.94 = 965.50 : x
2. Step 2: Convert to fraction form
   3,429.98/5,144.94 = 965.50/x
3. Step 3: Cross multiply
   3,429.98x = 5,144.94 × 965.50
4. Step 4: Simplify right side
   3,429.98x = 4,967,439.57
5. Step 5: Solve for x
   x = 4,967,439.57/3,429.98
6. Step 6: Final answer
   x = 1,448.24