Finding the Fourth Proportional to 2,544.78, 3,818.60 and 1,374.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,544.78 : 3,818.60 = 1,374.76 : x
2. Step 2: Convert to fraction form
   2,544.78/3,818.60 = 1,374.76/x
3. Step 3: Cross multiply
   2,544.78x = 3,818.60 × 1,374.76
4. Step 4: Simplify right side
   2,544.78x = 5,249,658.54
5. Step 5: Solve for x
   x = 5,249,658.54/2,544.78
6. Step 6: Final answer
   x = 2,062.91