Finding the Fourth Proportional to 1,436.59, 1,982.64 and 847.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.59 : 1,982.64 = 847.32 : x
2. Step 2: Convert to fraction form
   1,436.59/1,982.64 = 847.32/x
3. Step 3: Cross multiply
   1,436.59x = 1,982.64 × 847.32
4. Step 4: Simplify right side
   1,436.59x = 1,679,930.52
5. Step 5: Solve for x
   x = 1,679,930.52/1,436.59
6. Step 6: Final answer
   x = 1,169.39