Finding the Fourth Proportional to 3,382.48, 5,086.06 and 3,111.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,382.48 : 5,086.06 = 3,111.83 : x
2. Step 2: Convert to fraction form
   3,382.48/5,086.06 = 3,111.83/x
3. Step 3: Cross multiply
   3,382.48x = 5,086.06 × 3,111.83
4. Step 4: Simplify right side
   3,382.48x = 15,826,959.03
5. Step 5: Solve for x
   x = 15,826,959.03/3,382.48
6. Step 6: Final answer
   x = 4,679.10