Finding the Fourth Proportional to 16,076.21, 22,185.17 and 8,906.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,076.21 : 22,185.17 = 8,906.59 : x
2. Step 2: Convert to fraction form
   16,076.21/22,185.17 = 8,906.59/x
3. Step 3: Cross multiply
   16,076.21x = 22,185.17 × 8,906.59
4. Step 4: Simplify right side
   16,076.21x = 197,594,271.47
5. Step 5: Solve for x
   x = 197,594,271.47/16,076.21
6. Step 6: Final answer
   x = 12,291.10