Finding the Fourth Proportional to 1,279.44, 1,765.56 and 755.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279.44 : 1,765.56 = 755.52 : x
2. Step 2: Convert to fraction form
   1,279.44/1,765.56 = 755.52/x
3. Step 3: Cross multiply
   1,279.44x = 1,765.56 × 755.52
4. Step 4: Simplify right side
   1,279.44x = 1,333,915.89
5. Step 5: Solve for x
   x = 1,333,915.89/1,279.44
6. Step 6: Final answer
   x = 1,042.58