Finding the Fourth Proportional to 16,021.89, 22,110.21 and 8,948.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,021.89 : 22,110.21 = 8,948.34 : x
2. Step 2: Convert to fraction form
   16,021.89/22,110.21 = 8,948.34/x
3. Step 3: Cross multiply
   16,021.89x = 22,110.21 × 8,948.34
4. Step 4: Simplify right side
   16,021.89x = 197,849,676.55
5. Step 5: Solve for x
   x = 197,849,676.55/16,021.89
6. Step 6: Final answer
   x = 12,348.71