Finding the Fourth Proportional to 16,057.20, 22,146.30 and 9,768.36

Step by Step Solution

1. Step 1: Write the proportion equation
   16,057.20 : 22,146.30 = 9,768.36 : x
2. Step 2: Convert to fraction form
   16,057.20/22,146.30 = 9,768.36/x
3. Step 3: Cross multiply
   16,057.20x = 22,146.30 × 9,768.36
4. Step 4: Simplify right side
   16,057.20x = 216,333,031.07
5. Step 5: Solve for x
   x = 216,333,031.07/16,057.20
6. Step 6: Final answer
   x = 13,472.65