Finding the Fourth Proportional to 16,777.72, 23,154.72 and 9,225.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,777.72 : 23,154.72 = 9,225.52 : x
2. Step 2: Convert to fraction form
   16,777.72/23,154.72 = 9,225.52/x
3. Step 3: Cross multiply
   16,777.72x = 23,154.72 × 9,225.52
4. Step 4: Simplify right side
   16,777.72x = 213,614,332.45
5. Step 5: Solve for x
   x = 213,614,332.45/16,777.72
6. Step 6: Final answer
   x = 12,732.02