Finding the Fourth Proportional to 16,967.21, 23,414.89 and 9,414.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,967.21 : 23,414.89 = 9,414.04 : x
2. Step 2: Convert to fraction form
   16,967.21/23,414.89 = 9,414.04/x
3. Step 3: Cross multiply
   16,967.21x = 23,414.89 × 9,414.04
4. Step 4: Simplify right side
   16,967.21x = 220,428,711.06
5. Step 5: Solve for x
   x = 220,428,711.06/16,967.21
6. Step 6: Final answer
   x = 12,991.45