Finding the Fourth Proportional to 8,231.76, 12,344.88 and 3,300.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,231.76 : 12,344.88 = 3,300.12 : x
2. Step 2: Convert to fraction form
   8,231.76/12,344.88 = 3,300.12/x
3. Step 3: Cross multiply
   8,231.76x = 12,344.88 × 3,300.12
4. Step 4: Simplify right side
   8,231.76x = 40,739,585.39
5. Step 5: Solve for x
   x = 40,739,585.39/8,231.76
6. Step 6: Final answer
   x = 4,949.07