Finding the Fourth Proportional to 5,105.39, 7,046.06 and 2,867.36

Step by Step Solution

1. Step 1: Write the proportion equation
   5,105.39 : 7,046.06 = 2,867.36 : x
2. Step 2: Convert to fraction form
   5,105.39/7,046.06 = 2,867.36/x
3. Step 3: Cross multiply
   5,105.39x = 7,046.06 × 2,867.36
4. Step 4: Simplify right side
   5,105.39x = 20,203,590.60
5. Step 5: Solve for x
   x = 20,203,590.60/5,105.39
6. Step 6: Final answer
   x = 3,957.31