Finding the Fourth Proportional to 1,054.78, 1,453.29 and 759.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,054.78 : 1,453.29 = 759.54 : x
2. Step 2: Convert to fraction form
   1,054.78/1,453.29 = 759.54/x
3. Step 3: Cross multiply
   1,054.78x = 1,453.29 × 759.54
4. Step 4: Simplify right side
   1,054.78x = 1,103,831.89
5. Step 5: Solve for x
   x = 1,103,831.89/1,054.78
6. Step 6: Final answer
   x = 1,046.50