Finding the Fourth Proportional to 6,270.21, 8,651.61 and 3,581.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,270.21 : 8,651.61 = 3,581.28 : x
2. Step 2: Convert to fraction form
   6,270.21/8,651.61 = 3,581.28/x
3. Step 3: Cross multiply
   6,270.21x = 8,651.61 × 3,581.28
4. Step 4: Simplify right side
   6,270.21x = 30,983,837.86
5. Step 5: Solve for x
   x = 30,983,837.86/6,270.21
6. Step 6: Final answer
   x = 4,941.44