Finding the Fourth Proportional to 2,854.82, 3,938.54 and 1,792.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,854.82 : 3,938.54 = 1,792.15 : x
2. Step 2: Convert to fraction form
   2,854.82/3,938.54 = 1,792.15/x
3. Step 3: Cross multiply
   2,854.82x = 3,938.54 × 1,792.15
4. Step 4: Simplify right side
   2,854.82x = 7,058,435.65
5. Step 5: Solve for x
   x = 7,058,435.65/2,854.82
6. Step 6: Final answer
   x = 2,472.47