Finding the Fourth Proportional to 13,078.41, 18,046.57 and 8,838.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,078.41 : 18,046.57 = 8,838.69 : x
2. Step 2: Convert to fraction form
   13,078.41/18,046.57 = 8,838.69/x
3. Step 3: Cross multiply
   13,078.41x = 18,046.57 × 8,838.69
4. Step 4: Simplify right side
   13,078.41x = 159,508,141.72
5. Step 5: Solve for x
   x = 159,508,141.72/13,078.41
6. Step 6: Final answer
   x = 12,196.29