Finding the Fourth Proportional to 16,802.30, 23,185.82 and 9,729.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,802.30 : 23,185.82 = 9,729.18 : x
2. Step 2: Convert to fraction form
   16,802.30/23,185.82 = 9,729.18/x
3. Step 3: Cross multiply
   16,802.30x = 23,185.82 × 9,729.18
4. Step 4: Simplify right side
   16,802.30x = 225,579,016.23
5. Step 5: Solve for x
   x = 225,579,016.23/16,802.30
6. Step 6: Final answer
   x = 13,425.48