Finding the Fourth Proportional to 2,449.69, 3,675.14 and 718.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,449.69 : 3,675.14 = 718.31 : x
2. Step 2: Convert to fraction form
   2,449.69/3,675.14 = 718.31/x
3. Step 3: Cross multiply
   2,449.69x = 3,675.14 × 718.31
4. Step 4: Simplify right side
   2,449.69x = 2,639,898.10
5. Step 5: Solve for x
   x = 2,639,898.10/2,449.69
6. Step 6: Final answer
   x = 1,077.65