Finding the Fourth Proportional to 2,217.88, 3,060.34 and 1,273.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,217.88 : 3,060.34 = 1,273.72 : x
2. Step 2: Convert to fraction form
   2,217.88/3,060.34 = 1,273.72/x
3. Step 3: Cross multiply
   2,217.88x = 3,060.34 × 1,273.72
4. Step 4: Simplify right side
   2,217.88x = 3,898,005.43
5. Step 5: Solve for x
   x = 3,898,005.43/2,217.88
6. Step 6: Final answer
   x = 1,757.54