Finding the Fourth Proportional to 2,158.43, 2,977.59 and 1,273.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158.43 : 2,977.59 = 1,273.73 : x
2. Step 2: Convert to fraction form
   2,158.43/2,977.59 = 1,273.73/x
3. Step 3: Cross multiply
   2,158.43x = 2,977.59 × 1,273.73
4. Step 4: Simplify right side
   2,158.43x = 3,792,630.82
5. Step 5: Solve for x
   x = 3,792,630.82/2,158.43
6. Step 6: Final answer
   x = 1,757.13