Finding the Fourth Proportional to 16,413.89, 22,623.89 and 11,627.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,413.89 : 22,623.89 = 11,627.69 : x
2. Step 2: Convert to fraction form
   16,413.89/22,623.89 = 11,627.69/x
3. Step 3: Cross multiply
   16,413.89x = 22,623.89 × 11,627.69
4. Step 4: Simplify right side
   16,413.89x = 263,063,408.26
5. Step 5: Solve for x
   x = 263,063,408.26/16,413.89
6. Step 6: Final answer
   x = 16,026.88