Finding the Fourth Proportional to 16,078.99, 22,187.77 and 9,004.45

Step by Step Solution

1. Step 1: Write the proportion equation
   16,078.99 : 22,187.77 = 9,004.45 : x
2. Step 2: Convert to fraction form
   16,078.99/22,187.77 = 9,004.45/x
3. Step 3: Cross multiply
   16,078.99x = 22,187.77 × 9,004.45
4. Step 4: Simplify right side
   16,078.99x = 199,788,665.58
5. Step 5: Solve for x
   x = 199,788,665.58/16,078.99
6. Step 6: Final answer
   x = 12,425.45