Finding the Fourth Proportional to 16,085.60, 22,198.08 and 9,012.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,085.60 : 22,198.08 = 9,012.02 : x
2. Step 2: Convert to fraction form
   16,085.60/22,198.08 = 9,012.02/x
3. Step 3: Cross multiply
   16,085.60x = 22,198.08 × 9,012.02
4. Step 4: Simplify right side
   16,085.60x = 200,049,540.92
5. Step 5: Solve for x
   x = 200,049,540.92/16,085.60
6. Step 6: Final answer
   x = 12,436.56