Finding the Fourth Proportional to 16,086.76, 22,199.72 and 9,013.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,086.76 : 22,199.72 = 9,013.22 : x
2. Step 2: Convert to fraction form
   16,086.76/22,199.72 = 9,013.22/x
3. Step 3: Cross multiply
   16,086.76x = 22,199.72 × 9,013.22
4. Step 4: Simplify right side
   16,086.76x = 200,090,960.30
5. Step 5: Solve for x
   x = 200,090,960.30/16,086.76
6. Step 6: Final answer
   x = 12,438.24