Finding the Fourth Proportional to 2,114.34, 3,171.47 and 798.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.34 : 3,171.47 = 798.05 : x
2. Step 2: Convert to fraction form
   2,114.34/3,171.47 = 798.05/x
3. Step 3: Cross multiply
   2,114.34x = 3,171.47 × 798.05
4. Step 4: Simplify right side
   2,114.34x = 2,530,971.79
5. Step 5: Solve for x
   x = 2,530,971.79/2,114.34
6. Step 6: Final answer
   x = 1,197.05