Finding the Fourth Proportional to 3,654.72, 5,044.14 and 2,082.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,654.72 : 5,044.14 = 2,082.78 : x
2. Step 2: Convert to fraction form
   3,654.72/5,044.14 = 2,082.78/x
3. Step 3: Cross multiply
   3,654.72x = 5,044.14 × 2,082.78
4. Step 4: Simplify right side
   3,654.72x = 10,505,833.91
5. Step 5: Solve for x
   x = 10,505,833.91/3,654.72
6. Step 6: Final answer
   x = 2,874.59