Finding the Fourth Proportional to 3,874,404.56, 5,344,451.86 and 2,421,578.64

Step by Step Solution

1. Step 1: Write the proportion equation
   3,874,404.56 : 5,344,451.86 = 2,421,578.64 : x
2. Step 2: Convert to fraction form
   3,874,404.56/5,344,451.86 = 2,421,578.64/x
3. Step 3: Cross multiply
   3,874,404.56x = 5,344,451.86 × 2,421,578.64
4. Step 4: Simplify right side
   3,874,404.56x = 12,942,010,466,684.27
5. Step 5: Solve for x
   x = 12,942,010,466,684.27/3,874,404.56
6. Step 6: Final answer
   x = 3,340,386.96