Finding the Fourth Proportional to 16,020.48, 22,106.16 and 8,945.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,020.48 : 22,106.16 = 8,945.76 : x
2. Step 2: Convert to fraction form
   16,020.48/22,106.16 = 8,945.76/x
3. Step 3: Cross multiply
   16,020.48x = 22,106.16 × 8,945.76
4. Step 4: Simplify right side
   16,020.48x = 197,756,401.88
5. Step 5: Solve for x
   x = 197,756,401.88/16,020.48
6. Step 6: Final answer
   x = 12,343.97