Finding the Fourth Proportional to 3,208,443, 4,427,651.34 and 1,919,337.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,208,443 : 4,427,651.34 = 1,919,337.72 : x
2. Step 2: Convert to fraction form
   3,208,443/4,427,651.34 = 1,919,337.72/x
3. Step 3: Cross multiply
   3,208,443x = 4,427,651.34 × 1,919,337.72
4. Step 4: Simplify right side
   3,208,443x = 8,498,158,227,870.54
5. Step 5: Solve for x
   x = 8,498,158,227,870.54/3,208,443
6. Step 6: Final answer
   x = 2,648,686.05