Finding the Fourth Proportional to 3,428.52, 5,143.61 and 963.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,428.52 : 5,143.61 = 963.33 : x
2. Step 2: Convert to fraction form
   3,428.52/5,143.61 = 963.33/x
3. Step 3: Cross multiply
   3,428.52x = 5,143.61 × 963.33
4. Step 4: Simplify right side
   3,428.52x = 4,954,993.82
5. Step 5: Solve for x
   x = 4,954,993.82/3,428.52
6. Step 6: Final answer
   x = 1,445.23