Finding the Fourth Proportional to 6,938.48, 9,575.25 and 3,954.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,938.48 : 9,575.25 = 3,954.31 : x
2. Step 2: Convert to fraction form
   6,938.48/9,575.25 = 3,954.31/x
3. Step 3: Cross multiply
   6,938.48x = 9,575.25 × 3,954.31
4. Step 4: Simplify right side
   6,938.48x = 37,863,468.06
5. Step 5: Solve for x
   x = 37,863,468.06/6,938.48
6. Step 6: Final answer
   x = 5,457.02