Finding the Fourth Proportional to 4,284.73, 5,914.71 and 3,105.57

Step by Step Solution

1. Step 1: Write the proportion equation
   4,284.73 : 5,914.71 = 3,105.57 : x
2. Step 2: Convert to fraction form
   4,284.73/5,914.71 = 3,105.57/x
3. Step 3: Cross multiply
   4,284.73x = 5,914.71 × 3,105.57
4. Step 4: Simplify right side
   4,284.73x = 18,368,545.93
5. Step 5: Solve for x
   x = 18,368,545.93/4,284.73
6. Step 6: Final answer
   x = 4,286.98