Finding the Fourth Proportional to 17,293.72, 23,866.49 and 9,638.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,293.72 : 23,866.49 = 9,638.18 : x
2. Step 2: Convert to fraction form
   17,293.72/23,866.49 = 9,638.18/x
3. Step 3: Cross multiply
   17,293.72x = 23,866.49 × 9,638.18
4. Step 4: Simplify right side
   17,293.72x = 230,029,520.85
5. Step 5: Solve for x
   x = 230,029,520.85/17,293.72
6. Step 6: Final answer
   x = 13,301.33