Finding the Fourth Proportional to 6,642.99, 9,167.31 and 3,658.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,642.99 : 9,167.31 = 3,658.82 : x
2. Step 2: Convert to fraction form
   6,642.99/9,167.31 = 3,658.82/x
3. Step 3: Cross multiply
   6,642.99x = 9,167.31 × 3,658.82
4. Step 4: Simplify right side
   6,642.99x = 33,541,491.34
5. Step 5: Solve for x
   x = 33,541,491.34/6,642.99
6. Step 6: Final answer
   x = 5,049.16