Finding the Fourth Proportional to 8,223.52, 12,336.72 and 3,838.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,223.52 : 12,336.72 = 3,838.72 : x
2. Step 2: Convert to fraction form
   8,223.52/12,336.72 = 3,838.72/x
3. Step 3: Cross multiply
   8,223.52x = 12,336.72 × 3,838.72
4. Step 4: Simplify right side
   8,223.52x = 47,357,213.80
5. Step 5: Solve for x
   x = 47,357,213.80/8,223.52
6. Step 6: Final answer
   x = 5,758.75