Finding the Fourth Proportional to 8,413.52, 11,605.56 and 5,424.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,413.52 : 11,605.56 = 5,424.62 : x
2. Step 2: Convert to fraction form
   8,413.52/11,605.56 = 5,424.62/x
3. Step 3: Cross multiply
   8,413.52x = 11,605.56 × 5,424.62
4. Step 4: Simplify right side
   8,413.52x = 62,955,752.89
5. Step 5: Solve for x
   x = 62,955,752.89/8,413.52
6. Step 6: Final answer
   x = 7,482.69