Finding the Fourth Proportional to 1,436.46, 1,983.05 and 847.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.46 : 1,983.05 = 847.18 : x
2. Step 2: Convert to fraction form
   1,436.46/1,983.05 = 847.18/x
3. Step 3: Cross multiply
   1,436.46x = 1,983.05 × 847.18
4. Step 4: Simplify right side
   1,436.46x = 1,679,996.06
5. Step 5: Solve for x
   x = 1,679,996.06/1,436.46
6. Step 6: Final answer
   x = 1,169.54