Finding the Fourth Proportional to 2,019.45, 3,024.32 and 1,368.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.45 : 3,024.32 = 1,368.21 : x
2. Step 2: Convert to fraction form
   2,019.45/3,024.32 = 1,368.21/x
3. Step 3: Cross multiply
   2,019.45x = 3,024.32 × 1,368.21
4. Step 4: Simplify right side
   2,019.45x = 4,137,898.03
5. Step 5: Solve for x
   x = 4,137,898.03/2,019.45
6. Step 6: Final answer
   x = 2,049.02