Finding the Fourth Proportional to 16,079.99, 22,189.15 and 9,005.45

Step by Step Solution

1. Step 1: Write the proportion equation
   16,079.99 : 22,189.15 = 9,005.45 : x
2. Step 2: Convert to fraction form
   16,079.99/22,189.15 = 9,005.45/x
3. Step 3: Cross multiply
   16,079.99x = 22,189.15 × 9,005.45
4. Step 4: Simplify right side
   16,079.99x = 199,823,280.87
5. Step 5: Solve for x
   x = 199,823,280.87/16,079.99
6. Step 6: Final answer
   x = 12,426.83