Finding the Fourth Proportional to 2,734.28, 3,772.96 and 1,555.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,734.28 : 3,772.96 = 1,555.37 : x
2. Step 2: Convert to fraction form
   2,734.28/3,772.96 = 1,555.37/x
3. Step 3: Cross multiply
   2,734.28x = 3,772.96 × 1,555.37
4. Step 4: Simplify right side
   2,734.28x = 5,868,326.04
5. Step 5: Solve for x
   x = 5,868,326.04/2,734.28
6. Step 6: Final answer
   x = 2,146.21