Finding the Fourth Proportional to 6,144.72, 8,480.30 and 3,627.60

Step by Step Solution

1. Step 1: Write the proportion equation
   6,144.72 : 8,480.30 = 3,627.60 : x
2. Step 2: Convert to fraction form
   6,144.72/8,480.30 = 3,627.60/x
3. Step 3: Cross multiply
   6,144.72x = 8,480.30 × 3,627.60
4. Step 4: Simplify right side
   6,144.72x = 30,763,118.14
5. Step 5: Solve for x
   x = 30,763,118.14/6,144.72
6. Step 6: Final answer
   x = 5,006.43