Finding the Fourth Proportional to 16,542.28, 22,828.72 and 10,172.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,542.28 : 22,828.72 = 10,172.28 : x
2. Step 2: Convert to fraction form
   16,542.28/22,828.72 = 10,172.28/x
3. Step 3: Cross multiply
   16,542.28x = 22,828.72 × 10,172.28
4. Step 4: Simplify right side
   16,542.28x = 232,220,131.88
5. Step 5: Solve for x
   x = 232,220,131.88/16,542.28
6. Step 6: Final answer
   x = 14,037.98