Finding the Fourth Proportional to 3,682.87, 5,082.50 and 2,111.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,682.87 : 5,082.50 = 2,111.27 : x
2. Step 2: Convert to fraction form
   3,682.87/5,082.50 = 2,111.27/x
3. Step 3: Cross multiply
   3,682.87x = 5,082.50 × 2,111.27
4. Step 4: Simplify right side
   3,682.87x = 10,730,529.78
5. Step 5: Solve for x
   x = 10,730,529.78/3,682.87
6. Step 6: Final answer
   x = 2,913.63