Finding the Fourth Proportional to 16,959.50, 23,398.27 and 9,789.17

Step by Step Solution

1. Step 1: Write the proportion equation
   16,959.50 : 23,398.27 = 9,789.17 : x
2. Step 2: Convert to fraction form
   16,959.50/23,398.27 = 9,789.17/x
3. Step 3: Cross multiply
   16,959.50x = 23,398.27 × 9,789.17
4. Step 4: Simplify right side
   16,959.50x = 229,049,676.76
5. Step 5: Solve for x
   x = 229,049,676.76/16,959.50
6. Step 6: Final answer
   x = 13,505.69