Finding the Fourth Proportional to 16,016.62, 22,110.30 and 12,039

Step by Step Solution

1. Step 1: Write the proportion equation
   16,016.62 : 22,110.30 = 12,039 : x
2. Step 2: Convert to fraction form
   16,016.62/22,110.30 = 12,039/x
3. Step 3: Cross multiply
   16,016.62x = 22,110.30 × 12,039
4. Step 4: Simplify right side
   16,016.62x = 266,185,901.70
5. Step 5: Solve for x
   x = 266,185,901.70/16,016.62
6. Step 6: Final answer
   x = 16,619.36