Finding the Fourth Proportional to 16,021.25, 22,109.21 and 8,948.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,021.25 : 22,109.21 = 8,948.12 : x
2. Step 2: Convert to fraction form
   16,021.25/22,109.21 = 8,948.12/x
3. Step 3: Cross multiply
   16,021.25x = 22,109.21 × 8,948.12
4. Step 4: Simplify right side
   16,021.25x = 197,835,874.72
5. Step 5: Solve for x
   x = 197,835,874.72/16,021.25
6. Step 6: Final answer
   x = 12,348.35