Finding the Fourth Proportional to 1,408.92, 1,944.37 and 849.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,408.92 : 1,944.37 = 849.57 : x
2. Step 2: Convert to fraction form
   1,408.92/1,944.37 = 849.57/x
3. Step 3: Cross multiply
   1,408.92x = 1,944.37 × 849.57
4. Step 4: Simplify right side
   1,408.92x = 1,651,878.42
5. Step 5: Solve for x
   x = 1,651,878.42/1,408.92
6. Step 6: Final answer
   x = 1,172.44