Finding the Fourth Proportional to 16,042, 22,137.57 and 8,871.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,042 : 22,137.57 = 8,871.72 : x
2. Step 2: Convert to fraction form
   16,042/22,137.57 = 8,871.72/x
3. Step 3: Cross multiply
   16,042x = 22,137.57 × 8,871.72
4. Step 4: Simplify right side
   16,042x = 196,398,322.52
5. Step 5: Solve for x
   x = 196,398,322.52/16,042
6. Step 6: Final answer
   x = 12,242.76