Finding the Fourth Proportional to 6,642.42, 9,166.56 and 3,658.32

Step by Step Solution

1. Step 1: Write the proportion equation
   6,642.42 : 9,166.56 = 3,658.32 : x
2. Step 2: Convert to fraction form
   6,642.42/9,166.56 = 3,658.32/x
3. Step 3: Cross multiply
   6,642.42x = 9,166.56 × 3,658.32
4. Step 4: Simplify right side
   6,642.42x = 33,534,209.78
5. Step 5: Solve for x
   x = 33,534,209.78/6,642.42
6. Step 6: Final answer
   x = 5,048.49