Finding the Fourth Proportional to 16,501.28, 22,768.54 and 9,425.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,501.28 : 22,768.54 = 9,425.12 : x
2. Step 2: Convert to fraction form
   16,501.28/22,768.54 = 9,425.12/x
3. Step 3: Cross multiply
   16,501.28x = 22,768.54 × 9,425.12
4. Step 4: Simplify right side
   16,501.28x = 214,596,221.72
5. Step 5: Solve for x
   x = 214,596,221.72/16,501.28
6. Step 6: Final answer
   x = 13,004.82