Finding the Fourth Proportional to 8,673.27, 13,004.56 and 4,222.09

Step by Step Solution

1. Step 1: Write the proportion equation
   8,673.27 : 13,004.56 = 4,222.09 : x
2. Step 2: Convert to fraction form
   8,673.27/13,004.56 = 4,222.09/x
3. Step 3: Cross multiply
   8,673.27x = 13,004.56 × 4,222.09
4. Step 4: Simplify right side
   8,673.27x = 54,906,422.73
5. Step 5: Solve for x
   x = 54,906,422.73/8,673.27
6. Step 6: Final answer
   x = 6,330.53