Finding the Fourth Proportional to 16,086.78, 22,200.19 and 9,013.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,086.78 : 22,200.19 = 9,013.04 : x
2. Step 2: Convert to fraction form
   16,086.78/22,200.19 = 9,013.04/x
3. Step 3: Cross multiply
   16,086.78x = 22,200.19 × 9,013.04
4. Step 4: Simplify right side
   16,086.78x = 200,091,200.48
5. Step 5: Solve for x
   x = 200,091,200.48/16,086.78
6. Step 6: Final answer
   x = 12,438.24