Finding the Fourth Proportional to 16,017.12, 22,102.56 and 8,942.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,017.12 : 22,102.56 = 8,942.16 : x
2. Step 2: Convert to fraction form
   16,017.12/22,102.56 = 8,942.16/x
3. Step 3: Cross multiply
   16,017.12x = 22,102.56 × 8,942.16
4. Step 4: Simplify right side
   16,017.12x = 197,644,627.93
5. Step 5: Solve for x
   x = 197,644,627.93/16,017.12
6. Step 6: Final answer
   x = 12,339.59