Finding the Fourth Proportional to 11,078.02, 16,619.76 and 3,286.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,078.02 : 16,619.76 = 3,286.83 : x
2. Step 2: Convert to fraction form
   11,078.02/16,619.76 = 3,286.83/x
3. Step 3: Cross multiply
   11,078.02x = 16,619.76 × 3,286.83
4. Step 4: Simplify right side
   11,078.02x = 54,626,285.35
5. Step 5: Solve for x
   x = 54,626,285.35/11,078.02
6. Step 6: Final answer
   x = 4,931.05