Finding the Fourth Proportional to 1,582.89, 2,375.60 and 717.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,582.89 : 2,375.60 = 717.27 : x
2. Step 2: Convert to fraction form
   1,582.89/2,375.60 = 717.27/x
3. Step 3: Cross multiply
   1,582.89x = 2,375.60 × 717.27
4. Step 4: Simplify right side
   1,582.89x = 1,703,943.03
5. Step 5: Solve for x
   x = 1,703,943.03/1,582.89
6. Step 6: Final answer
   x = 1,076.48