Finding the Fourth Proportional to 16,522.72, 24,762.21 and 12,119.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,522.72 : 24,762.21 = 12,119.56 : x
2. Step 2: Convert to fraction form
   16,522.72/24,762.21 = 12,119.56/x
3. Step 3: Cross multiply
   16,522.72x = 24,762.21 × 12,119.56
4. Step 4: Simplify right side
   16,522.72x = 300,107,089.83
5. Step 5: Solve for x
   x = 300,107,089.83/16,522.72
6. Step 6: Final answer
   x = 18,163.30