Finding the Fourth Proportional to 6,642.27, 9,166.23 and 3,658.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,642.27 : 9,166.23 = 3,658.05 : x
2. Step 2: Convert to fraction form
   6,642.27/9,166.23 = 3,658.05/x
3. Step 3: Cross multiply
   6,642.27x = 9,166.23 × 3,658.05
4. Step 4: Simplify right side
   6,642.27x = 33,530,527.65
5. Step 5: Solve for x
   x = 33,530,527.65/6,642.27
6. Step 6: Final answer
   x = 5,048.05