Finding the Fourth Proportional to 16,640.58, 22,963.02 and 9,469.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,640.58 : 22,963.02 = 9,469.50 : x
2. Step 2: Convert to fraction form
   16,640.58/22,963.02 = 9,469.50/x
3. Step 3: Cross multiply
   16,640.58x = 22,963.02 × 9,469.50
4. Step 4: Simplify right side
   16,640.58x = 217,448,317.89
5. Step 5: Solve for x
   x = 217,448,317.89/16,640.58
6. Step 6: Final answer
   x = 13,067.35