Finding the Fourth Proportional to 16,952.79, 23,392.67 and 9,399.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,952.79 : 23,392.67 = 9,399.05 : x
2. Step 2: Convert to fraction form
   16,952.79/23,392.67 = 9,399.05/x
3. Step 3: Cross multiply
   16,952.79x = 23,392.67 × 9,399.05
4. Step 4: Simplify right side
   16,952.79x = 219,868,930.31
5. Step 5: Solve for x
   x = 219,868,930.31/16,952.79
6. Step 6: Final answer
   x = 12,969.48