Finding the Fourth Proportional to 6,279.92, 9,413.31 and 2,118.49

Step by Step Solution

1. Step 1: Write the proportion equation
   6,279.92 : 9,413.31 = 2,118.49 : x
2. Step 2: Convert to fraction form
   6,279.92/9,413.31 = 2,118.49/x
3. Step 3: Cross multiply
   6,279.92x = 9,413.31 × 2,118.49
4. Step 4: Simplify right side
   6,279.92x = 19,942,003.10
5. Step 5: Solve for x
   x = 19,942,003.10/6,279.92
6. Step 6: Final answer
   x = 3,175.52