Finding the Fourth Proportional to 1,144.08, 1,714.41 and 494.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144.08 : 1,714.41 = 494.46 : x
2. Step 2: Convert to fraction form
   1,144.08/1,714.41 = 494.46/x
3. Step 3: Cross multiply
   1,144.08x = 1,714.41 × 494.46
4. Step 4: Simplify right side
   1,144.08x = 847,707.17
5. Step 5: Solve for x
   x = 847,707.17/1,144.08
6. Step 6: Final answer
   x = 740.95