Finding the Fourth Proportional to 2,217.27, 3,059.90 and 1,273.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,217.27 : 3,059.90 = 1,273.23 : x
2. Step 2: Convert to fraction form
   2,217.27/3,059.90 = 1,273.23/x
3. Step 3: Cross multiply
   2,217.27x = 3,059.90 × 1,273.23
4. Step 4: Simplify right side
   2,217.27x = 3,895,956.48
5. Step 5: Solve for x
   x = 3,895,956.48/2,217.27
6. Step 6: Final answer
   x = 1,757.10