Finding the Fourth Proportional to 8,222.91, 12,337.46 and 4,938.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,222.91 : 12,337.46 = 4,938.28 : x
2. Step 2: Convert to fraction form
   8,222.91/12,337.46 = 4,938.28/x
3. Step 3: Cross multiply
   8,222.91x = 12,337.46 × 4,938.28
4. Step 4: Simplify right side
   8,222.91x = 60,925,831.97
5. Step 5: Solve for x
   x = 60,925,831.97/8,222.91
6. Step 6: Final answer
   x = 7,409.28