Finding the Fourth Proportional to 8,124.69, 12,185.49 and 3,960.51

Step by Step Solution

1. Step 1: Write the proportion equation
   8,124.69 : 12,185.49 = 3,960.51 : x
2. Step 2: Convert to fraction form
   8,124.69/12,185.49 = 3,960.51/x
3. Step 3: Cross multiply
   8,124.69x = 12,185.49 × 3,960.51
4. Step 4: Simplify right side
   8,124.69x = 48,260,755.00
5. Step 5: Solve for x
   x = 48,260,755.00/8,124.69
6. Step 6: Final answer
   x = 5,940.01