Finding the Fourth Proportional to 2,007.42, 3,012.12 and 968.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.42 : 3,012.12 = 968.30 : x
2. Step 2: Convert to fraction form
   2,007.42/3,012.12 = 968.30/x
3. Step 3: Cross multiply
   2,007.42x = 3,012.12 × 968.30
4. Step 4: Simplify right side
   2,007.42x = 2,916,630.95
5. Step 5: Solve for x
   x = 2,916,630.95/2,007.42
6. Step 6: Final answer
   x = 1,452.93