Finding the Fourth Proportional to 4,456.82, 6,148.81 and 2,687.78

Step by Step Solution

1. Step 1: Write the proportion equation
   4,456.82 : 6,148.81 = 2,687.78 : x
2. Step 2: Convert to fraction form
   4,456.82/6,148.81 = 2,687.78/x
3. Step 3: Cross multiply
   4,456.82x = 6,148.81 × 2,687.78
4. Step 4: Simplify right side
   4,456.82x = 16,526,667.27
5. Step 5: Solve for x
   x = 16,526,667.27/4,456.82
6. Step 6: Final answer
   x = 3,708.17