Finding the Fourth Proportional to 17,616.72, 26,413.29 and 9,287.94

Step by Step Solution

1. Step 1: Write the proportion equation
   17,616.72 : 26,413.29 = 9,287.94 : x
2. Step 2: Convert to fraction form
   17,616.72/26,413.29 = 9,287.94/x
3. Step 3: Cross multiply
   17,616.72x = 26,413.29 × 9,287.94
4. Step 4: Simplify right side
   17,616.72x = 245,325,052.72
5. Step 5: Solve for x
   x = 245,325,052.72/17,616.72
6. Step 6: Final answer
   x = 13,925.69