Finding the Fourth Proportional to 11,073.15, 16,607.69 and 3,280.11

Step by Step Solution

1. Step 1: Write the proportion equation
   11,073.15 : 16,607.69 = 3,280.11 : x
2. Step 2: Convert to fraction form
   11,073.15/16,607.69 = 3,280.11/x
3. Step 3: Cross multiply
   11,073.15x = 16,607.69 × 3,280.11
4. Step 4: Simplify right side
   11,073.15x = 54,475,033.65
5. Step 5: Solve for x
   x = 54,475,033.65/11,073.15
6. Step 6: Final answer
   x = 4,919.56