Finding the Fourth Proportional to 6,648.45, 9,175.71 and 3,816.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,648.45 : 9,175.71 = 3,816.28 : x
2. Step 2: Convert to fraction form
   6,648.45/9,175.71 = 3,816.28/x
3. Step 3: Cross multiply
   6,648.45x = 9,175.71 × 3,816.28
4. Step 4: Simplify right side
   6,648.45x = 35,017,104.34
5. Step 5: Solve for x
   x = 35,017,104.34/6,648.45
6. Step 6: Final answer
   x = 5,266.96