Finding the Fourth Proportional to 6,743.31, 9,305.78 and 3,759.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,743.31 : 9,305.78 = 3,759.25 : x
2. Step 2: Convert to fraction form
   6,743.31/9,305.78 = 3,759.25/x
3. Step 3: Cross multiply
   6,743.31x = 9,305.78 × 3,759.25
4. Step 4: Simplify right side
   6,743.31x = 34,982,753.47
5. Step 5: Solve for x
   x = 34,982,753.47/6,743.31
6. Step 6: Final answer
   x = 5,187.77