Finding the Fourth Proportional to 3,968, 5,468.29 and 2,906.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,968 : 5,468.29 = 2,906.09 : x
2. Step 2: Convert to fraction form
   3,968/5,468.29 = 2,906.09/x
3. Step 3: Cross multiply
   3,968x = 5,468.29 × 2,906.09
4. Step 4: Simplify right side
   3,968x = 15,891,342.89
5. Step 5: Solve for x
   x = 15,891,342.89/3,968
6. Step 6: Final answer
   x = 4,004.87