Finding the Fourth Proportional to 2,217.47, 3,060.58 and 1,273.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,217.47 : 3,060.58 = 1,273.42 : x
2. Step 2: Convert to fraction form
   2,217.47/3,060.58 = 1,273.42/x
3. Step 3: Cross multiply
   2,217.47x = 3,060.58 × 1,273.42
4. Step 4: Simplify right side
   2,217.47x = 3,897,403.78
5. Step 5: Solve for x
   x = 3,897,403.78/2,217.47
6. Step 6: Final answer
   x = 1,757.59