Finding the Fourth Proportional to 3,658.58, 5,048.61 and 2,065.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,658.58 : 5,048.61 = 2,065.48 : x
2. Step 2: Convert to fraction form
   3,658.58/5,048.61 = 2,065.48/x
3. Step 3: Cross multiply
   3,658.58x = 5,048.61 × 2,065.48
4. Step 4: Simplify right side
   3,658.58x = 10,427,782.62
5. Step 5: Solve for x
   x = 10,427,782.62/3,658.58
6. Step 6: Final answer
   x = 2,850.23