Finding the Fourth Proportional to 6,353.28, 8,764.56 and 3,996.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,353.28 : 8,764.56 = 3,996.72 : x
2. Step 2: Convert to fraction form
   6,353.28/8,764.56 = 3,996.72/x
3. Step 3: Cross multiply
   6,353.28x = 8,764.56 × 3,996.72
4. Step 4: Simplify right side
   6,353.28x = 35,029,492.24
5. Step 5: Solve for x
   x = 35,029,492.24/6,353.28
6. Step 6: Final answer
   x = 5,513.61