Finding the Fourth Proportional to 3,683.07, 5,082.57 and 2,111.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,683.07 : 5,082.57 = 2,111.04 : x
2. Step 2: Convert to fraction form
   3,683.07/5,082.57 = 2,111.04/x
3. Step 3: Cross multiply
   3,683.07x = 5,082.57 × 2,111.04
4. Step 4: Simplify right side
   3,683.07x = 10,729,508.57
5. Step 5: Solve for x
   x = 10,729,508.57/3,683.07
6. Step 6: Final answer
   x = 2,913.20