Finding the Fourth Proportional to 16,728.57, 23,085.24 and 9,654.84

Step by Step Solution

1. Step 1: Write the proportion equation
   16,728.57 : 23,085.24 = 9,654.84 : x
2. Step 2: Convert to fraction form
   16,728.57/23,085.24 = 9,654.84/x
3. Step 3: Cross multiply
   16,728.57x = 23,085.24 × 9,654.84
4. Step 4: Simplify right side
   16,728.57x = 222,884,262.36
5. Step 5: Solve for x
   x = 222,884,262.36/16,728.57
6. Step 6: Final answer
   x = 13,323.57