Finding the Fourth Proportional to 2,016.82, 3,025.50 and 978.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.82 : 3,025.50 = 978.67 : x
2. Step 2: Convert to fraction form
   2,016.82/3,025.50 = 978.67/x
3. Step 3: Cross multiply
   2,016.82x = 3,025.50 × 978.67
4. Step 4: Simplify right side
   2,016.82x = 2,960,966.09
5. Step 5: Solve for x
   x = 2,960,966.09/2,016.82
6. Step 6: Final answer
   x = 1,468.14