Finding the Fourth Proportional to 2,729.31, 3,766.28 and 1,550.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,729.31 : 3,766.28 = 1,550.36 : x
2. Step 2: Convert to fraction form
   2,729.31/3,766.28 = 1,550.36/x
3. Step 3: Cross multiply
   2,729.31x = 3,766.28 × 1,550.36
4. Step 4: Simplify right side
   2,729.31x = 5,839,063.28
5. Step 5: Solve for x
   x = 5,839,063.28/2,729.31
6. Step 6: Final answer
   x = 2,139.39