Finding the Fourth Proportional to 17,340.38, 23,929.21 and 9,786.62

Step by Step Solution

1. Step 1: Write the proportion equation
   17,340.38 : 23,929.21 = 9,786.62 : x
2. Step 2: Convert to fraction form
   17,340.38/23,929.21 = 9,786.62/x
3. Step 3: Cross multiply
   17,340.38x = 23,929.21 × 9,786.62
4. Step 4: Simplify right side
   17,340.38x = 234,185,916.59
5. Step 5: Solve for x
   x = 234,185,916.59/17,340.38
6. Step 6: Final answer
   x = 13,505.24