Finding the Fourth Proportional to 11,079.38, 16,616.53 and 3,181.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,079.38 : 16,616.53 = 3,181.83 : x
2. Step 2: Convert to fraction form
   11,079.38/16,616.53 = 3,181.83/x
3. Step 3: Cross multiply
   11,079.38x = 16,616.53 × 3,181.83
4. Step 4: Simplify right side
   11,079.38x = 52,870,932.11
5. Step 5: Solve for x
   x = 52,870,932.11/11,079.38
6. Step 6: Final answer
   x = 4,772.01