Finding the Fourth Proportional to 2,736.78, 3,772.82 and 1,949.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.78 : 3,772.82 = 1,949.46 : x
2. Step 2: Convert to fraction form
   2,736.78/3,772.82 = 1,949.46/x
3. Step 3: Cross multiply
   2,736.78x = 3,772.82 × 1,949.46
4. Step 4: Simplify right side
   2,736.78x = 7,354,948.41
5. Step 5: Solve for x
   x = 7,354,948.41/2,736.78
6. Step 6: Final answer
   x = 2,687.45