Finding the Fourth Proportional to 2,016.24, 3,024.32 and 989.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.24 : 3,024.32 = 989.52 : x
2. Step 2: Convert to fraction form
   2,016.24/3,024.32 = 989.52/x
3. Step 3: Cross multiply
   2,016.24x = 3,024.32 × 989.52
4. Step 4: Simplify right side
   2,016.24x = 2,992,625.13
5. Step 5: Solve for x
   x = 2,992,625.13/2,016.24
6. Step 6: Final answer
   x = 1,484.26