Finding the Fourth Proportional to 3,654.39, 5,043.42 and 2,082.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,654.39 : 5,043.42 = 2,082.72 : x
2. Step 2: Convert to fraction form
   3,654.39/5,043.42 = 2,082.72/x
3. Step 3: Cross multiply
   3,654.39x = 5,043.42 × 2,082.72
4. Step 4: Simplify right side
   3,654.39x = 10,504,031.70
5. Step 5: Solve for x
   x = 10,504,031.70/3,654.39
6. Step 6: Final answer
   x = 2,874.36