Finding the Fourth Proportional to 13,184.43, 18,184.25 and 8,469.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,184.43 : 18,184.25 = 8,469.15 : x
2. Step 2: Convert to fraction form
   13,184.43/18,184.25 = 8,469.15/x
3. Step 3: Cross multiply
   13,184.43x = 18,184.25 × 8,469.15
4. Step 4: Simplify right side
   13,184.43x = 154,005,098.54
5. Step 5: Solve for x
   x = 154,005,098.54/13,184.43
6. Step 6: Final answer
   x = 11,680.83