Finding the Fourth Proportional to 8,106.38, 12,143.83 and 5,324.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,106.38 : 12,143.83 = 5,324.61 : x
2. Step 2: Convert to fraction form
   8,106.38/12,143.83 = 5,324.61/x
3. Step 3: Cross multiply
   8,106.38x = 12,143.83 × 5,324.61
4. Step 4: Simplify right side
   8,106.38x = 64,661,099.81
5. Step 5: Solve for x
   x = 64,661,099.81/8,106.38
6. Step 6: Final answer
   x = 7,976.57