Finding the Fourth Proportional to 1,016.83, 1,404.73 and 806.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.83 : 1,404.73 = 806.32 : x
2. Step 2: Convert to fraction form
   1,016.83/1,404.73 = 806.32/x
3. Step 3: Cross multiply
   1,016.83x = 1,404.73 × 806.32
4. Step 4: Simplify right side
   1,016.83x = 1,132,661.89
5. Step 5: Solve for x
   x = 1,132,661.89/1,016.83
6. Step 6: Final answer
   x = 1,113.91