Finding the Fourth Proportional to 6,648.66, 9,176.58 and 3,816.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,648.66 : 9,176.58 = 3,816.50 : x
2. Step 2: Convert to fraction form
   6,648.66/9,176.58 = 3,816.50/x
3. Step 3: Cross multiply
   6,648.66x = 9,176.58 × 3,816.50
4. Step 4: Simplify right side
   6,648.66x = 35,022,371.69
5. Step 5: Solve for x
   x = 35,022,371.69/6,648.66
6. Step 6: Final answer
   x = 5,267.58