Finding the Fourth Proportional to 11,078.82, 16,617.92 and 4,838.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,078.82 : 16,617.92 = 4,838.78 : x
2. Step 2: Convert to fraction form
   11,078.82/16,617.92 = 4,838.78/x
3. Step 3: Cross multiply
   11,078.82x = 16,617.92 × 4,838.78
4. Step 4: Simplify right side
   11,078.82x = 80,410,458.94
5. Step 5: Solve for x
   x = 80,410,458.94/11,078.82
6. Step 6: Final answer
   x = 7,258.03