Finding the Fourth Proportional to 8,222.56, 12,337.89 and 3,839.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,222.56 : 12,337.89 = 3,839.38 : x
2. Step 2: Convert to fraction form
   8,222.56/12,337.89 = 3,839.38/x
3. Step 3: Cross multiply
   8,222.56x = 12,337.89 × 3,839.38
4. Step 4: Simplify right side
   8,222.56x = 47,369,848.11
5. Step 5: Solve for x
   x = 47,369,848.11/8,222.56
6. Step 6: Final answer
   x = 5,760.96