Finding the Fourth Proportional to 2,673.82, 3,690.27 and 1,555.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,673.82 : 3,690.27 = 1,555.42 : x
2. Step 2: Convert to fraction form
   2,673.82/3,690.27 = 1,555.42/x
3. Step 3: Cross multiply
   2,673.82x = 3,690.27 × 1,555.42
4. Step 4: Simplify right side
   2,673.82x = 5,739,919.76
5. Step 5: Solve for x
   x = 5,739,919.76/2,673.82
6. Step 6: Final answer
   x = 2,146.71