Finding the Fourth Proportional to 1,032,648, 1,425,187.89 and 579,939

Step by Step Solution

1. Step 1: Write the proportion equation
   1,032,648 : 1,425,187.89 = 579,939 : x
2. Step 2: Convert to fraction form
   1,032,648/1,425,187.89 = 579,939/x
3. Step 3: Cross multiply
   1,032,648x = 1,425,187.89 × 579,939
4. Step 4: Simplify right side
   1,032,648x = 826,522,039,738.71
5. Step 5: Solve for x
   x = 826,522,039,738.71/1,032,648
6. Step 6: Final answer
   x = 800,390.88