Finding the Fourth Proportional to 16,729.36, 23,086.74 and 9,654.46

Step by Step Solution

1. Step 1: Write the proportion equation
   16,729.36 : 23,086.74 = 9,654.46 : x
2. Step 2: Convert to fraction form
   16,729.36/23,086.74 = 9,654.46/x
3. Step 3: Cross multiply
   16,729.36x = 23,086.74 × 9,654.46
4. Step 4: Simplify right side
   16,729.36x = 222,890,007.86
5. Step 5: Solve for x
   x = 222,890,007.86/16,729.36
6. Step 6: Final answer
   x = 13,323.28