Finding the Fourth Proportional to 3,105.10, 4,284.98 and 1,707.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,105.10 : 4,284.98 = 1,707.82 : x
2. Step 2: Convert to fraction form
   3,105.10/4,284.98 = 1,707.82/x
3. Step 3: Cross multiply
   3,105.10x = 4,284.98 × 1,707.82
4. Step 4: Simplify right side
   3,105.10x = 7,317,974.54
5. Step 5: Solve for x
   x = 7,317,974.54/3,105.10
6. Step 6: Final answer
   x = 2,356.76