Finding the Fourth Proportional to 1,344.81, 1,855.83 and 755.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,344.81 : 1,855.83 = 755.34 : x
2. Step 2: Convert to fraction form
   1,344.81/1,855.83 = 755.34/x
3. Step 3: Cross multiply
   1,344.81x = 1,855.83 × 755.34
4. Step 4: Simplify right side
   1,344.81x = 1,401,782.63
5. Step 5: Solve for x
   x = 1,401,782.63/1,344.81
6. Step 6: Final answer
   x = 1,042.36