Finding the Fourth Proportional to 2,018.93, 3,028.69 and 978.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.93 : 3,028.69 = 978.08 : x
2. Step 2: Convert to fraction form
   2,018.93/3,028.69 = 978.08/x
3. Step 3: Cross multiply
   2,018.93x = 3,028.69 × 978.08
4. Step 4: Simplify right side
   2,018.93x = 2,962,301.12
5. Step 5: Solve for x
   x = 2,962,301.12/2,018.93
6. Step 6: Final answer
   x = 1,467.26