Finding the Fourth Proportional to 3,968.27, 5,955.98 and 2,915.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,968.27 : 5,955.98 = 2,915.42 : x
2. Step 2: Convert to fraction form
   3,968.27/5,955.98 = 2,915.42/x
3. Step 3: Cross multiply
   3,968.27x = 5,955.98 × 2,915.42
4. Step 4: Simplify right side
   3,968.27x = 17,364,172.01
5. Step 5: Solve for x
   x = 17,364,172.01/3,968.27
6. Step 6: Final answer
   x = 4,375.76