Finding the Fourth Proportional to 2,729.12, 3,766.15 and 1,550.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,729.12 : 3,766.15 = 1,550.16 : x
2. Step 2: Convert to fraction form
   2,729.12/3,766.15 = 1,550.16/x
3. Step 3: Cross multiply
   2,729.12x = 3,766.15 × 1,550.16
4. Step 4: Simplify right side
   2,729.12x = 5,838,131.21
5. Step 5: Solve for x
   x = 5,838,131.21/2,729.12
6. Step 6: Final answer
   x = 2,139.20