Finding the Fourth Proportional to 1,436.84, 1,982.73 and 807.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.84 : 1,982.73 = 807.37 : x
2. Step 2: Convert to fraction form
   1,436.84/1,982.73 = 807.37/x
3. Step 3: Cross multiply
   1,436.84x = 1,982.73 × 807.37
4. Step 4: Simplify right side
   1,436.84x = 1,600,790.25
5. Step 5: Solve for x
   x = 1,600,790.25/1,436.84
6. Step 6: Final answer
   x = 1,114.11