Finding the Fourth Proportional to 16,951.50, 23,393.16 and 9,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,951.50 : 23,393.16 = 9,499.50 : x
2. Step 2: Convert to fraction form
   16,951.50/23,393.16 = 9,499.50/x
3. Step 3: Cross multiply
   16,951.50x = 23,393.16 × 9,499.50
4. Step 4: Simplify right side
   16,951.50x = 222,223,323.42
5. Step 5: Solve for x
   x = 222,223,323.42/16,951.50
6. Step 6: Final answer
   x = 13,109.36