Finding the Fourth Proportional to 2,933.71, 4,401.55 and 959.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,933.71 : 4,401.55 = 959.43 : x
2. Step 2: Convert to fraction form
   2,933.71/4,401.55 = 959.43/x
3. Step 3: Cross multiply
   2,933.71x = 4,401.55 × 959.43
4. Step 4: Simplify right side
   2,933.71x = 4,222,979.12
5. Step 5: Solve for x
   x = 4,222,979.12/2,933.71
6. Step 6: Final answer
   x = 1,439.47