Finding the Fourth Proportional to 16,413.22, 24,622.71 and 7,185.70

Step by Step Solution

1. Step 1: Write the proportion equation
   16,413.22 : 24,622.71 = 7,185.70 : x
2. Step 2: Convert to fraction form
   16,413.22/24,622.71 = 7,185.70/x
3. Step 3: Cross multiply
   16,413.22x = 24,622.71 × 7,185.70
4. Step 4: Simplify right side
   16,413.22x = 176,931,407.25
5. Step 5: Solve for x
   x = 176,931,407.25/16,413.22
6. Step 6: Final answer
   x = 10,779.81