Finding the Fourth Proportional to 1,065.22, 1,597.05 and 717.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065.22 : 1,597.05 = 717.69 : x
2. Step 2: Convert to fraction form
   1,065.22/1,597.05 = 717.69/x
3. Step 3: Cross multiply
   1,065.22x = 1,597.05 × 717.69
4. Step 4: Simplify right side
   1,065.22x = 1,146,178.83
5. Step 5: Solve for x
   x = 1,146,178.83/1,065.22
6. Step 6: Final answer
   x = 1,076.00