Finding the Fourth Proportional to 1,291.83, 1,782.86 and 732.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,291.83 : 1,782.86 = 732.24 : x
2. Step 2: Convert to fraction form
   1,291.83/1,782.86 = 732.24/x
3. Step 3: Cross multiply
   1,291.83x = 1,782.86 × 732.24
4. Step 4: Simplify right side
   1,291.83x = 1,305,472.82
5. Step 5: Solve for x
   x = 1,305,472.82/1,291.83
6. Step 6: Final answer
   x = 1,010.56