Finding the Fourth Proportional to 1,267.58, 1,748.88 and 743.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,267.58 : 1,748.88 = 743.48 : x
2. Step 2: Convert to fraction form
   1,267.58/1,748.88 = 743.48/x
3. Step 3: Cross multiply
   1,267.58x = 1,748.88 × 743.48
4. Step 4: Simplify right side
   1,267.58x = 1,300,257.30
5. Step 5: Solve for x
   x = 1,300,257.30/1,267.58
6. Step 6: Final answer
   x = 1,025.78