Finding the Fourth Proportional to 6,647.27, 9,173.76 and 3,663.60

Step by Step Solution

1. Step 1: Write the proportion equation
   6,647.27 : 9,173.76 = 3,663.60 : x
2. Step 2: Convert to fraction form
   6,647.27/9,173.76 = 3,663.60/x
3. Step 3: Cross multiply
   6,647.27x = 9,173.76 × 3,663.60
4. Step 4: Simplify right side
   6,647.27x = 33,609,016.40
5. Step 5: Solve for x
   x = 33,609,016.40/6,647.27
6. Step 6: Final answer
   x = 5,056.07