Finding the Fourth Proportional to 5,707.65, 8,557.33 and 3,854.17

Step by Step Solution

1. Step 1: Write the proportion equation
   5,707.65 : 8,557.33 = 3,854.17 : x
2. Step 2: Convert to fraction form
   5,707.65/8,557.33 = 3,854.17/x
3. Step 3: Cross multiply
   5,707.65x = 8,557.33 × 3,854.17
4. Step 4: Simplify right side
   5,707.65x = 32,981,404.57
5. Step 5: Solve for x
   x = 32,981,404.57/5,707.65
6. Step 6: Final answer
   x = 5,778.46