Finding the Fourth Proportional to 3,446.96, 5,170.38 and 849.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,446.96 : 5,170.38 = 849.86 : x
2. Step 2: Convert to fraction form
   3,446.96/5,170.38 = 849.86/x
3. Step 3: Cross multiply
   3,446.96x = 5,170.38 × 849.86
4. Step 4: Simplify right side
   3,446.96x = 4,394,099.15
5. Step 5: Solve for x
   x = 4,394,099.15/3,446.96
6. Step 6: Final answer
   x = 1,274.78