Finding the Fourth Proportional to 16,198.72, 22,359.78 and 10,071.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,198.72 : 22,359.78 = 10,071.24 : x
2. Step 2: Convert to fraction form
   16,198.72/22,359.78 = 10,071.24/x
3. Step 3: Cross multiply
   16,198.72x = 22,359.78 × 10,071.24
4. Step 4: Simplify right side
   16,198.72x = 225,190,710.73
5. Step 5: Solve for x
   x = 225,190,710.73/16,198.72
6. Step 6: Final answer
   x = 13,901.76