Finding the Fourth Proportional to 3,864.38, 5,797.71 and 2,222.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,864.38 : 5,797.71 = 2,222.10 : x
2. Step 2: Convert to fraction form
   3,864.38/5,797.71 = 2,222.10/x
3. Step 3: Cross multiply
   3,864.38x = 5,797.71 × 2,222.10
4. Step 4: Simplify right side
   3,864.38x = 12,883,091.39
5. Step 5: Solve for x
   x = 12,883,091.39/3,864.38
6. Step 6: Final answer
   x = 3,333.81