Finding the Fourth Proportional to 14,016.69, 19,342.31 and 8,711.42

Step by Step Solution

1. Step 1: Write the proportion equation
   14,016.69 : 19,342.31 = 8,711.42 : x
2. Step 2: Convert to fraction form
   14,016.69/19,342.31 = 8,711.42/x
3. Step 3: Cross multiply
   14,016.69x = 19,342.31 × 8,711.42
4. Step 4: Simplify right side
   14,016.69x = 168,498,845.91
5. Step 5: Solve for x
   x = 168,498,845.91/14,016.69
6. Step 6: Final answer
   x = 12,021.30