Finding the Fourth Proportional to 16,031.07, 22,122.81 and 8,861.49

Step by Step Solution

1. Step 1: Write the proportion equation
   16,031.07 : 22,122.81 = 8,861.49 : x
2. Step 2: Convert to fraction form
   16,031.07/22,122.81 = 8,861.49/x
3. Step 3: Cross multiply
   16,031.07x = 22,122.81 × 8,861.49
4. Step 4: Simplify right side
   16,031.07x = 196,041,059.59
5. Step 5: Solve for x
   x = 196,041,059.59/16,031.07
6. Step 6: Final answer
   x = 12,228.82