Finding the Fourth Proportional to 17,647.31, 24,353.67 and 9,689.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,647.31 : 24,353.67 = 9,689.56 : x
2. Step 2: Convert to fraction form
   17,647.31/24,353.67 = 9,689.56/x
3. Step 3: Cross multiply
   17,647.31x = 24,353.67 × 9,689.56
4. Step 4: Simplify right side
   17,647.31x = 235,976,413.46
5. Step 5: Solve for x
   x = 235,976,413.46/17,647.31
6. Step 6: Final answer
   x = 13,371.81