Finding the Fourth Proportional to 3,658.58, 5,043.57 and 2,608.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,658.58 : 5,043.57 = 2,608.82 : x
2. Step 2: Convert to fraction form
   3,658.58/5,043.57 = 2,608.82/x
3. Step 3: Cross multiply
   3,658.58x = 5,043.57 × 2,608.82
4. Step 4: Simplify right side
   3,658.58x = 13,157,766.29
5. Step 5: Solve for x
   x = 13,157,766.29/3,658.58
6. Step 6: Final answer
   x = 3,596.41