Finding the Fourth Proportional to 12,386.17, 18,584.52 and 8,227.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,386.17 : 18,584.52 = 8,227.63 : x
2. Step 2: Convert to fraction form
   12,386.17/18,584.52 = 8,227.63/x
3. Step 3: Cross multiply
   12,386.17x = 18,584.52 × 8,227.63
4. Step 4: Simplify right side
   12,386.17x = 152,906,554.29
5. Step 5: Solve for x
   x = 152,906,554.29/12,386.17
6. Step 6: Final answer
   x = 12,344.94