Finding the Fourth Proportional to 2,734.69, 3,772.94 and 1,555.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,734.69 : 3,772.94 = 1,555.47 : x
2. Step 2: Convert to fraction form
   2,734.69/3,772.94 = 1,555.47/x
3. Step 3: Cross multiply
   2,734.69x = 3,772.94 × 1,555.47
4. Step 4: Simplify right side
   2,734.69x = 5,868,694.98
5. Step 5: Solve for x
   x = 5,868,694.98/2,734.69
6. Step 6: Final answer
   x = 2,146.02