Finding the Fourth Proportional to 8,324.67, 12,493.15 and 3,942.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,324.67 : 12,493.15 = 3,942.12 : x
2. Step 2: Convert to fraction form
   8,324.67/12,493.15 = 3,942.12/x
3. Step 3: Cross multiply
   8,324.67x = 12,493.15 × 3,942.12
4. Step 4: Simplify right side
   8,324.67x = 49,249,496.48
5. Step 5: Solve for x
   x = 49,249,496.48/8,324.67
6. Step 6: Final answer
   x = 5,916.09