Finding the Fourth Proportional to 16,323.50, 24,410.49 and 12,166.40

Step by Step Solution

1. Step 1: Write the proportion equation
   16,323.50 : 24,410.49 = 12,166.40 : x
2. Step 2: Convert to fraction form
   16,323.50/24,410.49 = 12,166.40/x
3. Step 3: Cross multiply
   16,323.50x = 24,410.49 × 12,166.40
4. Step 4: Simplify right side
   16,323.50x = 296,987,785.54
5. Step 5: Solve for x
   x = 296,987,785.54/16,323.50
6. Step 6: Final answer
   x = 18,193.88