Finding the Fourth Proportional to 16,967.72, 23,415.89 and 9,414.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,967.72 : 23,415.89 = 9,414.38 : x
2. Step 2: Convert to fraction form
   16,967.72/23,415.89 = 9,414.38/x
3. Step 3: Cross multiply
   16,967.72x = 23,415.89 × 9,414.38
4. Step 4: Simplify right side
   16,967.72x = 220,446,097.97
5. Step 5: Solve for x
   x = 220,446,097.97/16,967.72
6. Step 6: Final answer
   x = 12,992.09