Finding the Fourth Proportional to 16,642.72, 22,792.07 and 16,424.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,642.72 : 22,792.07 = 16,424.02 : x
2. Step 2: Convert to fraction form
   16,642.72/22,792.07 = 16,424.02/x
3. Step 3: Cross multiply
   16,642.72x = 22,792.07 × 16,424.02
4. Step 4: Simplify right side
   16,642.72x = 374,337,413.52
5. Step 5: Solve for x
   x = 374,337,413.52/16,642.72
6. Step 6: Final answer
   x = 22,492.56