Finding the Fourth Proportional to 1,119.72, 1,544.94 and 671.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,119.72 : 1,544.94 = 671.73 : x
2. Step 2: Convert to fraction form
   1,119.72/1,544.94 = 671.73/x
3. Step 3: Cross multiply
   1,119.72x = 1,544.94 × 671.73
4. Step 4: Simplify right side
   1,119.72x = 1,037,782.55
5. Step 5: Solve for x
   x = 1,037,782.55/1,119.72
6. Step 6: Final answer
   x = 926.82