Finding the Fourth Proportional to 17,371.47, 23,972.61 and 9,413.69

Step by Step Solution

1. Step 1: Write the proportion equation
   17,371.47 : 23,972.61 = 9,413.69 : x
2. Step 2: Convert to fraction form
   17,371.47/23,972.61 = 9,413.69/x
3. Step 3: Cross multiply
   17,371.47x = 23,972.61 × 9,413.69
4. Step 4: Simplify right side
   17,371.47x = 225,670,599.17
5. Step 5: Solve for x
   x = 225,670,599.17/17,371.47
6. Step 6: Final answer
   x = 12,990.88