Finding the Fourth Proportional to 1,435.73, 1,981.16 and 806.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.73 : 1,981.16 = 806.33 : x
2. Step 2: Convert to fraction form
   1,435.73/1,981.16 = 806.33/x
3. Step 3: Cross multiply
   1,435.73x = 1,981.16 × 806.33
4. Step 4: Simplify right side
   1,435.73x = 1,597,459.76
5. Step 5: Solve for x
   x = 1,597,459.76/1,435.73
6. Step 6: Final answer
   x = 1,112.64