Finding the Fourth Proportional to 8,229.90, 12,348.78 and 3,846.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,229.90 : 12,348.78 = 3,846.72 : x
2. Step 2: Convert to fraction form
   8,229.90/12,348.78 = 3,846.72/x
3. Step 3: Cross multiply
   8,229.90x = 12,348.78 × 3,846.72
4. Step 4: Simplify right side
   8,229.90x = 47,502,299.00
5. Step 5: Solve for x
   x = 47,502,299.00/8,229.90
6. Step 6: Final answer
   x = 5,771.92