Finding the Fourth Proportional to 2,020,662.99, 2,787,269.56 and 1,440,074.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020,662.99 : 2,787,269.56 = 1,440,074.07 : x
2. Step 2: Convert to fraction form
   2,020,662.99/2,787,269.56 = 1,440,074.07/x
3. Step 3: Cross multiply
   2,020,662.99x = 2,787,269.56 × 1,440,074.07
4. Step 4: Simplify right side
   2,020,662.99x = 4,013,874,619,456.31
5. Step 5: Solve for x
   x = 4,013,874,619,456.31/2,020,662.99
6. Step 6: Final answer
   x = 1,986,414.68