Finding the Fourth Proportional to 2,845,229.76, 4,267,839.78 and 1,328,404.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,845,229.76 : 4,267,839.78 = 1,328,404.32 : x
2. Step 2: Convert to fraction form
   2,845,229.76/4,267,839.78 = 1,328,404.32/x
3. Step 3: Cross multiply
   2,845,229.76x = 4,267,839.78 × 1,328,404.32
4. Step 4: Simplify right side
   2,845,229.76x = 5,669,416,800,819.85
5. Step 5: Solve for x
   x = 5,669,416,800,819.85/2,845,229.76
6. Step 6: Final answer
   x = 1,992,604.21