Finding the Fourth Proportional to 6,646.69, 9,171.73 and 3,662.35

Step by Step Solution

1. Step 1: Write the proportion equation
   6,646.69 : 9,171.73 = 3,662.35 : x
2. Step 2: Convert to fraction form
   6,646.69/9,171.73 = 3,662.35/x
3. Step 3: Cross multiply
   6,646.69x = 9,171.73 × 3,662.35
4. Step 4: Simplify right side
   6,646.69x = 33,590,067.01
5. Step 5: Solve for x
   x = 33,590,067.01/6,646.69
6. Step 6: Final answer
   x = 5,053.65