Finding the Fourth Proportional to 1,144.49, 1,714.35 and 949.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144.49 : 1,714.35 = 949.04 : x
2. Step 2: Convert to fraction form
   1,144.49/1,714.35 = 949.04/x
3. Step 3: Cross multiply
   1,144.49x = 1,714.35 × 949.04
4. Step 4: Simplify right side
   1,144.49x = 1,626,978.15
5. Step 5: Solve for x
   x = 1,626,978.15/1,144.49
6. Step 6: Final answer
   x = 1,421.57