Finding the Fourth Proportional to 3,105.72, 4,661.82 and 2,284.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,105.72 : 4,661.82 = 2,284.92 : x
2. Step 2: Convert to fraction form
   3,105.72/4,661.82 = 2,284.92/x
3. Step 3: Cross multiply
   3,105.72x = 4,661.82 × 2,284.92
4. Step 4: Simplify right side
   3,105.72x = 10,651,885.75
5. Step 5: Solve for x
   x = 10,651,885.75/3,105.72
6. Step 6: Final answer
   x = 3,429.76