Finding the Fourth Proportional to 6,647.45, 9,173.15 and 3,662.81

Step by Step Solution

1. Step 1: Write the proportion equation
   6,647.45 : 9,173.15 = 3,662.81 : x
2. Step 2: Convert to fraction form
   6,647.45/9,173.15 = 3,662.81/x
3. Step 3: Cross multiply
   6,647.45x = 9,173.15 × 3,662.81
4. Step 4: Simplify right side
   6,647.45x = 33,599,505.55
5. Step 5: Solve for x
   x = 33,599,505.55/6,647.45
6. Step 6: Final answer
   x = 5,054.50