Finding the Fourth Proportional to 3,766.88, 5,654.52 and 2,208.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,766.88 : 5,654.52 = 2,208.72 : x
2. Step 2: Convert to fraction form
   3,766.88/5,654.52 = 2,208.72/x
3. Step 3: Cross multiply
   3,766.88x = 5,654.52 × 2,208.72
4. Step 4: Simplify right side
   3,766.88x = 12,489,251.41
5. Step 5: Solve for x
   x = 12,489,251.41/3,766.88
6. Step 6: Final answer
   x = 3,315.54