Finding the Fourth Proportional to 5,898.26, 8,139.57 and 3,659.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,898.26 : 8,139.57 = 3,659.42 : x
2. Step 2: Convert to fraction form
   5,898.26/8,139.57 = 3,659.42/x
3. Step 3: Cross multiply
   5,898.26x = 8,139.57 × 3,659.42
4. Step 4: Simplify right side
   5,898.26x = 29,786,105.25
5. Step 5: Solve for x
   x = 29,786,105.25/5,898.26
6. Step 6: Final answer
   x = 5,049.98