Finding the Fourth Proportional to 3,658.48, 5,049.24 and 2,086.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,658.48 : 5,049.24 = 2,086.96 : x
2. Step 2: Convert to fraction form
   3,658.48/5,049.24 = 2,086.96/x
3. Step 3: Cross multiply
   3,658.48x = 5,049.24 × 2,086.96
4. Step 4: Simplify right side
   3,658.48x = 10,537,561.91
5. Step 5: Solve for x
   x = 10,537,561.91/3,658.48
6. Step 6: Final answer
   x = 2,880.31