Finding the Fourth Proportional to 1,004.56, 1,503.48 and 759.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,004.56 : 1,503.48 = 759.73 : x
2. Step 2: Convert to fraction form
   1,004.56/1,503.48 = 759.73/x
3. Step 3: Cross multiply
   1,004.56x = 1,503.48 × 759.73
4. Step 4: Simplify right side
   1,004.56x = 1,142,238.86
5. Step 5: Solve for x
   x = 1,142,238.86/1,004.56
6. Step 6: Final answer
   x = 1,137.05