Finding the Fourth Proportional to 2,705.43, 4,058.25 and 757.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,705.43 : 4,058.25 = 757.58 : x
2. Step 2: Convert to fraction form
   2,705.43/4,058.25 = 757.58/x
3. Step 3: Cross multiply
   2,705.43x = 4,058.25 × 757.58
4. Step 4: Simplify right side
   2,705.43x = 3,074,462.83
5. Step 5: Solve for x
   x = 3,074,462.83/2,705.43
6. Step 6: Final answer
   x = 1,136.40