Finding the Fourth Proportional to 16,085.98, 22,198.62 and 9,012.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,085.98 : 22,198.62 = 9,012.25 : x
2. Step 2: Convert to fraction form
   16,085.98/22,198.62 = 9,012.25/x
3. Step 3: Cross multiply
   16,085.98x = 22,198.62 × 9,012.25
4. Step 4: Simplify right side
   16,085.98x = 200,059,513.10
5. Step 5: Solve for x
   x = 200,059,513.10/16,085.98
6. Step 6: Final answer
   x = 12,436.89