Finding the Fourth Proportional to 16,413.62, 24,624.32 and 5,320.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,413.62 : 24,624.32 = 5,320.32 : x
2. Step 2: Convert to fraction form
   16,413.62/24,624.32 = 5,320.32/x
3. Step 3: Cross multiply
   16,413.62x = 24,624.32 × 5,320.32
4. Step 4: Simplify right side
   16,413.62x = 131,009,173.17
5. Step 5: Solve for x
   x = 131,009,173.17/16,413.62
6. Step 6: Final answer
   x = 7,981.74