Finding the Fourth Proportional to 7,078.09, 10,616.73 and 3,382.87

Step by Step Solution

1. Step 1: Write the proportion equation
   7,078.09 : 10,616.73 = 3,382.87 : x
2. Step 2: Convert to fraction form
   7,078.09/10,616.73 = 3,382.87/x
3. Step 3: Cross multiply
   7,078.09x = 10,616.73 × 3,382.87
4. Step 4: Simplify right side
   7,078.09x = 35,915,017.42
5. Step 5: Solve for x
   x = 35,915,017.42/7,078.09
6. Step 6: Final answer
   x = 5,074.11