Finding the Fourth Proportional to 3,086.82, 4,260.78 and 2,458.44

Step by Step Solution

1. Step 1: Write the proportion equation
   3,086.82 : 4,260.78 = 2,458.44 : x
2. Step 2: Convert to fraction form
   3,086.82/4,260.78 = 2,458.44/x
3. Step 3: Cross multiply
   3,086.82x = 4,260.78 × 2,458.44
4. Step 4: Simplify right side
   3,086.82x = 10,474,871.98
5. Step 5: Solve for x
   x = 10,474,871.98/3,086.82
6. Step 6: Final answer
   x = 3,393.42