Finding the Fourth Proportional to 3,411.05, 5,111.10 and 3,083

Step by Step Solution

1. Step 1: Write the proportion equation
   3,411.05 : 5,111.10 = 3,083 : x
2. Step 2: Convert to fraction form
   3,411.05/5,111.10 = 3,083/x
3. Step 3: Cross multiply
   3,411.05x = 5,111.10 × 3,083
4. Step 4: Simplify right side
   3,411.05x = 15,757,521.30
5. Step 5: Solve for x
   x = 15,757,521.30/3,411.05
6. Step 6: Final answer
   x = 4,619.55