Finding the Fourth Proportional to 6,811.72, 9,401.96 and 3,828.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,811.72 : 9,401.96 = 3,828.52 : x
2. Step 2: Convert to fraction form
   6,811.72/9,401.96 = 3,828.52/x
3. Step 3: Cross multiply
   6,811.72x = 9,401.96 × 3,828.52
4. Step 4: Simplify right side
   6,811.72x = 35,995,591.90
5. Step 5: Solve for x
   x = 35,995,591.90/6,811.72
6. Step 6: Final answer
   x = 5,284.36