Finding the Fourth Proportional to 3,658.82, 5,049.15 and 2,086.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,658.82 : 5,049.15 = 2,086.88 : x
2. Step 2: Convert to fraction form
   3,658.82/5,049.15 = 2,086.88/x
3. Step 3: Cross multiply
   3,658.82x = 5,049.15 × 2,086.88
4. Step 4: Simplify right side
   3,658.82x = 10,536,970.15
5. Step 5: Solve for x
   x = 10,536,970.15/3,658.82
6. Step 6: Final answer
   x = 2,879.88