Finding the Fourth Proportional to 2,020.39, 3,025.72 and 1,369.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020.39 : 3,025.72 = 1,369.15 : x
2. Step 2: Convert to fraction form
   2,020.39/3,025.72 = 1,369.15/x
3. Step 3: Cross multiply
   2,020.39x = 3,025.72 × 1,369.15
4. Step 4: Simplify right side
   2,020.39x = 4,142,658.69
5. Step 5: Solve for x
   x = 4,142,658.69/2,020.39
6. Step 6: Final answer
   x = 2,050.43