Finding the Fourth Proportional to 1,408.46, 1,943.46 and 849.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,408.46 : 1,943.46 = 849.15 : x
2. Step 2: Convert to fraction form
   1,408.46/1,943.46 = 849.15/x
3. Step 3: Cross multiply
   1,408.46x = 1,943.46 × 849.15
4. Step 4: Simplify right side
   1,408.46x = 1,650,289.06
5. Step 5: Solve for x
   x = 1,650,289.06/1,408.46
6. Step 6: Final answer
   x = 1,171.70