Finding the Fourth Proportional to 16,018.98, 22,105.71 and 8,945.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,018.98 : 22,105.71 = 8,945.34 : x
2. Step 2: Convert to fraction form
   16,018.98/22,105.71 = 8,945.34/x
3. Step 3: Cross multiply
   16,018.98x = 22,105.71 × 8,945.34
4. Step 4: Simplify right side
   16,018.98x = 197,743,091.89
5. Step 5: Solve for x
   x = 197,743,091.89/16,018.98
6. Step 6: Final answer
   x = 12,344.30