Finding the Fourth Proportional to 1,436.25, 1,982.07 and 847.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.25 : 1,982.07 = 847.29 : x
2. Step 2: Convert to fraction form
   1,436.25/1,982.07 = 847.29/x
3. Step 3: Cross multiply
   1,436.25x = 1,982.07 × 847.29
4. Step 4: Simplify right side
   1,436.25x = 1,679,388.09
5. Step 5: Solve for x
   x = 1,679,388.09/1,436.25
6. Step 6: Final answer
   x = 1,169.29