Finding the Fourth Proportional to 1,344.54, 1,855.50 and 755.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,344.54 : 1,855.50 = 755.10 : x
2. Step 2: Convert to fraction form
   1,344.54/1,855.50 = 755.10/x
3. Step 3: Cross multiply
   1,344.54x = 1,855.50 × 755.10
4. Step 4: Simplify right side
   1,344.54x = 1,401,088.05
5. Step 5: Solve for x
   x = 1,401,088.05/1,344.54
6. Step 6: Final answer
   x = 1,042.06