Finding the Fourth Proportional to 1,436.69, 1,982.74 and 807.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.69 : 1,982.74 = 807.26 : x
2. Step 2: Convert to fraction form
   1,436.69/1,982.74 = 807.26/x
3. Step 3: Cross multiply
   1,436.69x = 1,982.74 × 807.26
4. Step 4: Simplify right side
   1,436.69x = 1,600,586.69
5. Step 5: Solve for x
   x = 1,600,586.69/1,436.69
6. Step 6: Final answer
   x = 1,114.08