Finding the Fourth Proportional to 3,570.36, 4,915.89 and 3,242.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,570.36 : 4,915.89 = 3,242.31 : x
2. Step 2: Convert to fraction form
   3,570.36/4,915.89 = 3,242.31/x
3. Step 3: Cross multiply
   3,570.36x = 4,915.89 × 3,242.31
4. Step 4: Simplify right side
   3,570.36x = 15,938,839.31
5. Step 5: Solve for x
   x = 15,938,839.31/3,570.36
6. Step 6: Final answer
   x = 4,464.21