Finding the Fourth Proportional to 16,091.04, 22,169.82 and 12,039.62

Step by Step Solution

1. Step 1: Write the proportion equation
   16,091.04 : 22,169.82 = 12,039.62 : x
2. Step 2: Convert to fraction form
   16,091.04/22,169.82 = 12,039.62/x
3. Step 3: Cross multiply
   16,091.04x = 22,169.82 × 12,039.62
4. Step 4: Simplify right side
   16,091.04x = 266,916,208.27
5. Step 5: Solve for x
   x = 266,916,208.27/16,091.04
6. Step 6: Final answer
   x = 16,587.88