Finding the Fourth Proportional to 1,344.53, 1,855.49 and 755.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,344.53 : 1,855.49 = 755.12 : x
2. Step 2: Convert to fraction form
   1,344.53/1,855.49 = 755.12/x
3. Step 3: Cross multiply
   1,344.53x = 1,855.49 × 755.12
4. Step 4: Simplify right side
   1,344.53x = 1,401,117.61
5. Step 5: Solve for x
   x = 1,401,117.61/1,344.53
6. Step 6: Final answer
   x = 1,042.09