Finding the Fourth Proportional to 16,072.17, 22,179.67 and 8,998.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,072.17 : 22,179.67 = 8,998.59 : x
2. Step 2: Convert to fraction form
   16,072.17/22,179.67 = 8,998.59/x
3. Step 3: Cross multiply
   16,072.17x = 22,179.67 × 8,998.59
4. Step 4: Simplify right side
   16,072.17x = 199,585,867.96
5. Step 5: Solve for x
   x = 199,585,867.96/16,072.17
6. Step 6: Final answer
   x = 12,418.10