Finding the Fourth Proportional to 16,078.77, 22,189.14 and 9,005.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,078.77 : 22,189.14 = 9,005.04 : x
2. Step 2: Convert to fraction form
   16,078.77/22,189.14 = 9,005.04/x
3. Step 3: Cross multiply
   16,078.77x = 22,189.14 × 9,005.04
4. Step 4: Simplify right side
   16,078.77x = 199,814,093.27
5. Step 5: Solve for x
   x = 199,814,093.27/16,078.77
6. Step 6: Final answer
   x = 12,427.20