Finding the Fourth Proportional to 16,079.72, 22,189.82 and 9,006.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,079.72 : 22,189.82 = 9,006.12 : x
2. Step 2: Convert to fraction form
   16,079.72/22,189.82 = 9,006.12/x
3. Step 3: Cross multiply
   16,079.72x = 22,189.82 × 9,006.12
4. Step 4: Simplify right side
   16,079.72x = 199,844,136.67
5. Step 5: Solve for x
   x = 199,844,136.67/16,079.72
6. Step 6: Final answer
   x = 12,428.34