Finding the Fourth Proportional to 1,049.80, 1,449.94 and 755.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049.80 : 1,449.94 = 755.50 : x
2. Step 2: Convert to fraction form
   1,049.80/1,449.94 = 755.50/x
3. Step 3: Cross multiply
   1,049.80x = 1,449.94 × 755.50
4. Step 4: Simplify right side
   1,049.80x = 1,095,429.67
5. Step 5: Solve for x
   x = 1,095,429.67/1,049.80
6. Step 6: Final answer
   x = 1,043.47