Finding the Fourth Proportional to 3,830.54, 5,286.72 and 2,339.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,830.54 : 5,286.72 = 2,339.33 : x
2. Step 2: Convert to fraction form
   3,830.54/5,286.72 = 2,339.33/x
3. Step 3: Cross multiply
   3,830.54x = 5,286.72 × 2,339.33
4. Step 4: Simplify right side
   3,830.54x = 12,367,344.57
5. Step 5: Solve for x
   x = 12,367,344.57/3,830.54
6. Step 6: Final answer
   x = 3,228.62