Finding the Fourth Proportional to 6,647.58, 9,173.56 and 3,663.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,647.58 : 9,173.56 = 3,663.42 : x
2. Step 2: Convert to fraction form
   6,647.58/9,173.56 = 3,663.42/x
3. Step 3: Cross multiply
   6,647.58x = 9,173.56 × 3,663.42
4. Step 4: Simplify right side
   6,647.58x = 33,606,603.18
5. Step 5: Solve for x
   x = 33,606,603.18/6,647.58
6. Step 6: Final answer
   x = 5,055.46