Finding the Fourth Proportional to 16,523.72, 24,763.71 and 12,120.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,523.72 : 24,763.71 = 12,120.56 : x
2. Step 2: Convert to fraction form
   16,523.72/24,763.71 = 12,120.56/x
3. Step 3: Cross multiply
   16,523.72x = 24,763.71 × 12,120.56
4. Step 4: Simplify right side
   16,523.72x = 300,150,032.88
5. Step 5: Solve for x
   x = 300,150,032.88/16,523.72
6. Step 6: Final answer
   x = 18,164.80