Finding the Fourth Proportional to 5,150.57, 7,107.79 and 2,792.71

Step by Step Solution

1. Step 1: Write the proportion equation
   5,150.57 : 7,107.79 = 2,792.71 : x
2. Step 2: Convert to fraction form
   5,150.57/7,107.79 = 2,792.71/x
3. Step 3: Cross multiply
   5,150.57x = 7,107.79 × 2,792.71
4. Step 4: Simplify right side
   5,150.57x = 19,849,982.25
5. Step 5: Solve for x
   x = 19,849,982.25/5,150.57
6. Step 6: Final answer
   x = 3,853.94