Finding the Fourth Proportional to 2,338.72, 3,508.76 and 757.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,338.72 : 3,508.76 = 757.42 : x
2. Step 2: Convert to fraction form
   2,338.72/3,508.76 = 757.42/x
3. Step 3: Cross multiply
   2,338.72x = 3,508.76 × 757.42
4. Step 4: Simplify right side
   2,338.72x = 2,657,598.12
5. Step 5: Solve for x
   x = 2,657,598.12/2,338.72
6. Step 6: Final answer
   x = 1,136.35