Finding the Fourth Proportional to 6,742.88, 10,116.31 and 3,458.27

Step by Step Solution

1. Step 1: Write the proportion equation
   6,742.88 : 10,116.31 = 3,458.27 : x
2. Step 2: Convert to fraction form
   6,742.88/10,116.31 = 3,458.27/x
3. Step 3: Cross multiply
   6,742.88x = 10,116.31 × 3,458.27
4. Step 4: Simplify right side
   6,742.88x = 34,984,948.03
5. Step 5: Solve for x
   x = 34,984,948.03/6,742.88
6. Step 6: Final answer
   x = 5,188.43