Finding the Fourth Proportional to 2,678.68, 3,696.79 and 1,544.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,678.68 : 3,696.79 = 1,544.72 : x
2. Step 2: Convert to fraction form
   2,678.68/3,696.79 = 1,544.72/x
3. Step 3: Cross multiply
   2,678.68x = 3,696.79 × 1,544.72
4. Step 4: Simplify right side
   2,678.68x = 5,710,497.54
5. Step 5: Solve for x
   x = 5,710,497.54/2,678.68
6. Step 6: Final answer
   x = 2,131.83