Finding the Fourth Proportional to 1,344.65, 1,855.52 and 755.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,344.65 : 1,855.52 = 755.17 : x
2. Step 2: Convert to fraction form
   1,344.65/1,855.52 = 755.17/x
3. Step 3: Cross multiply
   1,344.65x = 1,855.52 × 755.17
4. Step 4: Simplify right side
   1,344.65x = 1,401,227.46
5. Step 5: Solve for x
   x = 1,401,227.46/1,344.65
6. Step 6: Final answer
   x = 1,042.08