Finding the Fourth Proportional to 1,049.49, 1,449.16 and 714.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049.49 : 1,449.16 = 714.10 : x
2. Step 2: Convert to fraction form
   1,049.49/1,449.16 = 714.10/x
3. Step 3: Cross multiply
   1,049.49x = 1,449.16 × 714.10
4. Step 4: Simplify right side
   1,049.49x = 1,034,842.47
5. Step 5: Solve for x
   x = 1,034,842.47/1,049.49
6. Step 6: Final answer
   x = 986.04