Finding the Fourth Proportional to 1,014.56, 1,408.52 and 984.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,014.56 : 1,408.52 = 984.49 : x
2. Step 2: Convert to fraction form
   1,014.56/1,408.52 = 984.49/x
3. Step 3: Cross multiply
   1,014.56x = 1,408.52 × 984.49
4. Step 4: Simplify right side
   1,014.56x = 1,386,661.89
5. Step 5: Solve for x
   x = 1,386,661.89/1,014.56
6. Step 6: Final answer
   x = 1,366.76