Finding the Fourth Proportional to 16,788.47, 23,168.43 and 9,234.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,788.47 : 23,168.43 = 9,234.81 : x
2. Step 2: Convert to fraction form
   16,788.47/23,168.43 = 9,234.81/x
3. Step 3: Cross multiply
   16,788.47x = 23,168.43 × 9,234.81
4. Step 4: Simplify right side
   16,788.47x = 213,956,049.05
5. Step 5: Solve for x
   x = 213,956,049.05/16,788.47
6. Step 6: Final answer
   x = 12,744.23