Finding the Fourth Proportional to 2,678.49, 3,696.18 and 1,544.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,678.49 : 3,696.18 = 1,544.10 : x
2. Step 2: Convert to fraction form
   2,678.49/3,696.18 = 1,544.10/x
3. Step 3: Cross multiply
   2,678.49x = 3,696.18 × 1,544.10
4. Step 4: Simplify right side
   2,678.49x = 5,707,271.54
5. Step 5: Solve for x
   x = 5,707,271.54/2,678.49
6. Step 6: Final answer
   x = 2,130.78