Finding the Fourth Proportional to 2,948,855.88, 4,422,789.72 and 819,155.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,948,855.88 : 4,422,789.72 = 819,155.28 : x
2. Step 2: Convert to fraction form
   2,948,855.88/4,422,789.72 = 819,155.28/x
3. Step 3: Cross multiply
   2,948,855.88x = 4,422,789.72 × 819,155.28
4. Step 4: Simplify right side
   2,948,855.88x = 3,622,951,551,467.72
5. Step 5: Solve for x
   x = 3,622,951,551,467.72/2,948,855.88
6. Step 6: Final answer
   x = 1,228,595.67