Finding the Fourth Proportional to 1,436.67, 1,982.49 and 847.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.67 : 1,982.49 = 847.08 : x
2. Step 2: Convert to fraction form
   1,436.67/1,982.49 = 847.08/x
3. Step 3: Cross multiply
   1,436.67x = 1,982.49 × 847.08
4. Step 4: Simplify right side
   1,436.67x = 1,679,327.63
5. Step 5: Solve for x
   x = 1,679,327.63/1,436.67
6. Step 6: Final answer
   x = 1,168.90