Finding the Fourth Proportional to 2,019,139.28, 3,028,053.57 and 670,940.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019,139.28 : 3,028,053.57 = 670,940.04 : x
2. Step 2: Convert to fraction form
   2,019,139.28/3,028,053.57 = 670,940.04/x
3. Step 3: Cross multiply
   2,019,139.28x = 3,028,053.57 × 670,940.04
4. Step 4: Simplify right side
   2,019,139.28x = 2,031,642,383,377.94
5. Step 5: Solve for x
   x = 2,031,642,383,377.94/2,019,139.28
6. Step 6: Final answer
   x = 1,006,192.30