Finding the Fourth Proportional to 2,733.38, 3,771.42 and 1,555.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,733.38 : 3,771.42 = 1,555.10 : x
2. Step 2: Convert to fraction form
   2,733.38/3,771.42 = 1,555.10/x
3. Step 3: Cross multiply
   2,733.38x = 3,771.42 × 1,555.10
4. Step 4: Simplify right side
   2,733.38x = 5,864,940.78
5. Step 5: Solve for x
   x = 5,864,940.78/2,733.38
6. Step 6: Final answer
   x = 2,145.67