Finding the Fourth Proportional to 8,222.81, 12,337.31 and 4,938.26

Step by Step Solution

1. Step 1: Write the proportion equation
   8,222.81 : 12,337.31 = 4,938.26 : x
2. Step 2: Convert to fraction form
   8,222.81/12,337.31 = 4,938.26/x
3. Step 3: Cross multiply
   8,222.81x = 12,337.31 × 4,938.26
4. Step 4: Simplify right side
   8,222.81x = 60,924,758.10
5. Step 5: Solve for x
   x = 60,924,758.10/8,222.81
6. Step 6: Final answer
   x = 7,409.24