Finding the Fourth Proportional to 2,734.62, 3,773.78 and 1,555.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,734.62 : 3,773.78 = 1,555.71 : x
2. Step 2: Convert to fraction form
   2,734.62/3,773.78 = 1,555.71/x
3. Step 3: Cross multiply
   2,734.62x = 3,773.78 × 1,555.71
4. Step 4: Simplify right side
   2,734.62x = 5,870,907.28
5. Step 5: Solve for x
   x = 5,870,907.28/2,734.62
6. Step 6: Final answer
   x = 2,146.88