Finding the Fourth Proportional to 16,297.50, 22,490.82 and 8,845.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,297.50 : 22,490.82 = 8,845.50 : x
2. Step 2: Convert to fraction form
   16,297.50/22,490.82 = 8,845.50/x
3. Step 3: Cross multiply
   16,297.50x = 22,490.82 × 8,845.50
4. Step 4: Simplify right side
   16,297.50x = 198,942,548.31
5. Step 5: Solve for x
   x = 198,942,548.31/16,297.50
6. Step 6: Final answer
   x = 12,206.94