Finding the Fourth Proportional to 2,399.42, 3,599.49 and 755.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.42 : 3,599.49 = 755.43 : x
2. Step 2: Convert to fraction form
   2,399.42/3,599.49 = 755.43/x
3. Step 3: Cross multiply
   2,399.42x = 3,599.49 × 755.43
4. Step 4: Simplify right side
   2,399.42x = 2,719,147.82
5. Step 5: Solve for x
   x = 2,719,147.82/2,399.42
6. Step 6: Final answer
   x = 1,133.25