Finding the Fourth Proportional to 1,297.34, 1,789.76 and 773.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,297.34 : 1,789.76 = 773.26 : x
2. Step 2: Convert to fraction form
   1,297.34/1,789.76 = 773.26/x
3. Step 3: Cross multiply
   1,297.34x = 1,789.76 × 773.26
4. Step 4: Simplify right side
   1,297.34x = 1,383,949.82
5. Step 5: Solve for x
   x = 1,383,949.82/1,297.34
6. Step 6: Final answer
   x = 1,066.76