Finding the Fourth Proportional to 3,766.86, 5,196.42 and 3,268.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,766.86 : 5,196.42 = 3,268.80 : x
2. Step 2: Convert to fraction form
   3,766.86/5,196.42 = 3,268.80/x
3. Step 3: Cross multiply
   3,766.86x = 5,196.42 × 3,268.80
4. Step 4: Simplify right side
   3,766.86x = 16,986,057.70
5. Step 5: Solve for x
   x = 16,986,057.70/3,766.86
6. Step 6: Final answer
   x = 4,509.34