Finding the Fourth Proportional to 1,456.47, 2,174.82 and 1,144.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.47 : 2,174.82 = 1,144.82 : x
2. Step 2: Convert to fraction form
   1,456.47/2,174.82 = 1,144.82/x
3. Step 3: Cross multiply
   1,456.47x = 2,174.82 × 1,144.82
4. Step 4: Simplify right side
   1,456.47x = 2,489,766.56
5. Step 5: Solve for x
   x = 2,489,766.56/1,456.47
6. Step 6: Final answer
   x = 1,709.45