Finding the Fourth Proportional to 16,005.12, 22,086.90 and 8,835.09

Step by Step Solution

1. Step 1: Write the proportion equation
   16,005.12 : 22,086.90 = 8,835.09 : x
2. Step 2: Convert to fraction form
   16,005.12/22,086.90 = 8,835.09/x
3. Step 3: Cross multiply
   16,005.12x = 22,086.90 × 8,835.09
4. Step 4: Simplify right side
   16,005.12x = 195,139,749.32
5. Step 5: Solve for x
   x = 195,139,749.32/16,005.12
6. Step 6: Final answer
   x = 12,192.33