Finding the Fourth Proportional to 7,399.67, 10,211.37 and 4,042.49

Step by Step Solution

1. Step 1: Write the proportion equation
   7,399.67 : 10,211.37 = 4,042.49 : x
2. Step 2: Convert to fraction form
   7,399.67/10,211.37 = 4,042.49/x
3. Step 3: Cross multiply
   7,399.67x = 10,211.37 × 4,042.49
4. Step 4: Simplify right side
   7,399.67x = 41,279,413.37
5. Step 5: Solve for x
   x = 41,279,413.37/7,399.67
6. Step 6: Final answer
   x = 5,578.55