Finding the Fourth Proportional to 2,705.23, 4,057.53 and 757.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,705.23 : 4,057.53 = 757.59 : x
2. Step 2: Convert to fraction form
   2,705.23/4,057.53 = 757.59/x
3. Step 3: Cross multiply
   2,705.23x = 4,057.53 × 757.59
4. Step 4: Simplify right side
   2,705.23x = 3,073,944.15
5. Step 5: Solve for x
   x = 3,073,944.15/2,705.23
6. Step 6: Final answer
   x = 1,136.30