Finding the Fourth Proportional to 1,344.82, 1,855.80 and 755.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,344.82 : 1,855.80 = 755.38 : x
2. Step 2: Convert to fraction form
   1,344.82/1,855.80 = 755.38/x
3. Step 3: Cross multiply
   1,344.82x = 1,855.80 × 755.38
4. Step 4: Simplify right side
   1,344.82x = 1,401,834.20
5. Step 5: Solve for x
   x = 1,401,834.20/1,344.82
6. Step 6: Final answer
   x = 1,042.40