Finding the Fourth Proportional to 16,076.91, 22,185.62 and 8,906.53

Step by Step Solution

1. Step 1: Write the proportion equation
   16,076.91 : 22,185.62 = 8,906.53 : x
2. Step 2: Convert to fraction form
   16,076.91/22,185.62 = 8,906.53/x
3. Step 3: Cross multiply
   16,076.91x = 22,185.62 × 8,906.53
4. Step 4: Simplify right side
   16,076.91x = 197,596,890.10
5. Step 5: Solve for x
   x = 197,596,890.10/16,076.91
6. Step 6: Final answer
   x = 12,290.73