Finding the Fourth Proportional to 16,084.84, 22,196.82 and 9,011.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,084.84 : 22,196.82 = 9,011.20 : x
2. Step 2: Convert to fraction form
   16,084.84/22,196.82 = 9,011.20/x
3. Step 3: Cross multiply
   16,084.84x = 22,196.82 × 9,011.20
4. Step 4: Simplify right side
   16,084.84x = 200,019,984.38
5. Step 5: Solve for x
   x = 200,019,984.38/16,084.84
6. Step 6: Final answer
   x = 12,435.31