Finding the Fourth Proportional to 3,929.85, 5,422.83 and 2,336.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,929.85 : 5,422.83 = 2,336.37 : x
2. Step 2: Convert to fraction form
   3,929.85/5,422.83 = 2,336.37/x
3. Step 3: Cross multiply
   3,929.85x = 5,422.83 × 2,336.37
4. Step 4: Simplify right side
   3,929.85x = 12,669,737.33
5. Step 5: Solve for x
   x = 12,669,737.33/3,929.85
6. Step 6: Final answer
   x = 3,223.97