Finding the Fourth Proportional to 1,436.37, 1,982.31 and 847.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.37 : 1,982.31 = 847.02 : x
2. Step 2: Convert to fraction form
   1,436.37/1,982.31 = 847.02/x
3. Step 3: Cross multiply
   1,436.37x = 1,982.31 × 847.02
4. Step 4: Simplify right side
   1,436.37x = 1,679,056.22
5. Step 5: Solve for x
   x = 1,679,056.22/1,436.37
6. Step 6: Final answer
   x = 1,168.96