Finding the Fourth Proportional to 2,315.49, 3,468.85 and 1,144.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,315.49 : 3,468.85 = 1,144.12 : x
2. Step 2: Convert to fraction form
   2,315.49/3,468.85 = 1,144.12/x
3. Step 3: Cross multiply
   2,315.49x = 3,468.85 × 1,144.12
4. Step 4: Simplify right side
   2,315.49x = 3,968,782.07
5. Step 5: Solve for x
   x = 3,968,782.07/2,315.49
6. Step 6: Final answer
   x = 1,714.02