Finding the Fourth Proportional to 8,196.12, 12,287.88 and 4,243.14

Step by Step Solution

1. Step 1: Write the proportion equation
   8,196.12 : 12,287.88 = 4,243.14 : x
2. Step 2: Convert to fraction form
   8,196.12/12,287.88 = 4,243.14/x
3. Step 3: Cross multiply
   8,196.12x = 12,287.88 × 4,243.14
4. Step 4: Simplify right side
   8,196.12x = 52,139,195.14
5. Step 5: Solve for x
   x = 52,139,195.14/8,196.12
6. Step 6: Final answer
   x = 6,361.45