Finding the Fourth Proportional to 7,315.49, 10,095.39 and 3,958.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,315.49 : 10,095.39 = 3,958.31 : x
2. Step 2: Convert to fraction form
   7,315.49/10,095.39 = 3,958.31/x
3. Step 3: Cross multiply
   7,315.49x = 10,095.39 × 3,958.31
4. Step 4: Simplify right side
   7,315.49x = 39,960,708.43
5. Step 5: Solve for x
   x = 39,960,708.43/7,315.49
6. Step 6: Final answer
   x = 5,462.48