Finding the Fourth Proportional to 1,344.88, 1,855.83 and 755.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,344.88 : 1,855.83 = 755.51 : x
2. Step 2: Convert to fraction form
   1,344.88/1,855.83 = 755.51/x
3. Step 3: Cross multiply
   1,344.88x = 1,855.83 × 755.51
4. Step 4: Simplify right side
   1,344.88x = 1,402,098.12
5. Step 5: Solve for x
   x = 1,402,098.12/1,344.88
6. Step 6: Final answer
   x = 1,042.55