Finding the Fourth Proportional to 6,743.31, 10,107.66 and 3,451.89

Step by Step Solution

1. Step 1: Write the proportion equation
   6,743.31 : 10,107.66 = 3,451.89 : x
2. Step 2: Convert to fraction form
   6,743.31/10,107.66 = 3,451.89/x
3. Step 3: Cross multiply
   6,743.31x = 10,107.66 × 3,451.89
4. Step 4: Simplify right side
   6,743.31x = 34,890,530.48
5. Step 5: Solve for x
   x = 34,890,530.48/6,743.31
6. Step 6: Final answer
   x = 5,174.10