Finding the Fourth Proportional to 16,272.34, 22,456.82 and 9,198.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,272.34 : 22,456.82 = 9,198.76 : x
2. Step 2: Convert to fraction form
   16,272.34/22,456.82 = 9,198.76/x
3. Step 3: Cross multiply
   16,272.34x = 22,456.82 × 9,198.76
4. Step 4: Simplify right side
   16,272.34x = 206,574,795.41
5. Step 5: Solve for x
   x = 206,574,795.41/16,272.34
6. Step 6: Final answer
   x = 12,694.84