Finding the Fourth Proportional to 1,436.37, 1,982.27 and 806.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.37 : 1,982.27 = 806.95 : x
2. Step 2: Convert to fraction form
   1,436.37/1,982.27 = 806.95/x
3. Step 3: Cross multiply
   1,436.37x = 1,982.27 × 806.95
4. Step 4: Simplify right side
   1,436.37x = 1,599,589.84
5. Step 5: Solve for x
   x = 1,599,589.84/1,436.37
6. Step 6: Final answer
   x = 1,113.63