Finding the Fourth Proportional to 2,729.12, 3,766.56 and 1,550.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,729.12 : 3,766.56 = 1,550.72 : x
2. Step 2: Convert to fraction form
   2,729.12/3,766.56 = 1,550.72/x
3. Step 3: Cross multiply
   2,729.12x = 3,766.56 × 1,550.72
4. Step 4: Simplify right side
   2,729.12x = 5,840,879.92
5. Step 5: Solve for x
   x = 5,840,879.92/2,729.12
6. Step 6: Final answer
   x = 2,140.21