Finding the Fourth Proportional to 2,016.45, 3,019.82 and 1,365.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.45 : 3,019.82 = 1,365.21 : x
2. Step 2: Convert to fraction form
   2,016.45/3,019.82 = 1,365.21/x
3. Step 3: Cross multiply
   2,016.45x = 3,019.82 × 1,365.21
4. Step 4: Simplify right side
   2,016.45x = 4,122,681.64
5. Step 5: Solve for x
   x = 4,122,681.64/2,016.45
6. Step 6: Final answer
   x = 2,044.52