Finding the Fourth Proportional to 3,940.25, 5,437.31 and 2,348.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,940.25 : 5,437.31 = 2,348.69 : x
2. Step 2: Convert to fraction form
   3,940.25/5,437.31 = 2,348.69/x
3. Step 3: Cross multiply
   3,940.25x = 5,437.31 × 2,348.69
4. Step 4: Simplify right side
   3,940.25x = 12,770,566.58
5. Step 5: Solve for x
   x = 12,770,566.58/3,940.25
6. Step 6: Final answer
   x = 3,241.06