Finding the Fourth Proportional to 7,086.81, 10,625.41 and 3,968.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,086.81 : 10,625.41 = 3,968.96 : x
2. Step 2: Convert to fraction form
   7,086.81/10,625.41 = 3,968.96/x
3. Step 3: Cross multiply
   7,086.81x = 10,625.41 × 3,968.96
4. Step 4: Simplify right side
   7,086.81x = 42,171,827.27
5. Step 5: Solve for x
   x = 42,171,827.27/7,086.81
6. Step 6: Final answer
   x = 5,950.75