Finding the Fourth Proportional to 3,684.52, 5,082.37 and 2,191.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,684.52 : 5,082.37 = 2,191.42 : x
2. Step 2: Convert to fraction form
   3,684.52/5,082.37 = 2,191.42/x
3. Step 3: Cross multiply
   3,684.52x = 5,082.37 × 2,191.42
4. Step 4: Simplify right side
   3,684.52x = 11,137,607.27
5. Step 5: Solve for x
   x = 11,137,607.27/3,684.52
6. Step 6: Final answer
   x = 3,022.81