Finding the Fourth Proportional to 1,436.81, 1,982.82 and 847.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.81 : 1,982.82 = 847.35 : x
2. Step 2: Convert to fraction form
   1,436.81/1,982.82 = 847.35/x
3. Step 3: Cross multiply
   1,436.81x = 1,982.82 × 847.35
4. Step 4: Simplify right side
   1,436.81x = 1,680,142.32
5. Step 5: Solve for x
   x = 1,680,142.32/1,436.81
6. Step 6: Final answer
   x = 1,169.35