Finding the Fourth Proportional to 2,003,520.96, 3,005,420.56 and 805,443.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003,520.96 : 3,005,420.56 = 805,443.89 : x
2. Step 2: Convert to fraction form
   2,003,520.96/3,005,420.56 = 805,443.89/x
3. Step 3: Cross multiply
   2,003,520.96x = 3,005,420.56 × 805,443.89
4. Step 4: Simplify right side
   2,003,520.96x = 2,420,697,609,891.67
5. Step 5: Solve for x
   x = 2,420,697,609,891.67/2,003,520.96
6. Step 6: Final answer
   x = 1,208,221.75