Finding the Fourth Proportional to 1,436.46, 1,982.54 and 847.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.46 : 1,982.54 = 847.05 : x
2. Step 2: Convert to fraction form
   1,436.46/1,982.54 = 847.05/x
3. Step 3: Cross multiply
   1,436.46x = 1,982.54 × 847.05
4. Step 4: Simplify right side
   1,436.46x = 1,679,306.27
5. Step 5: Solve for x
   x = 1,679,306.27/1,436.46
6. Step 6: Final answer
   x = 1,169.06