Finding the Fourth Proportional to 2,581,826.78, 3,562,966.78 and 1,435,907.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581,826.78 : 3,562,966.78 = 1,435,907.64 : x
2. Step 2: Convert to fraction form
   2,581,826.78/3,562,966.78 = 1,435,907.64/x
3. Step 3: Cross multiply
   2,581,826.78x = 3,562,966.78 × 1,435,907.64
4. Step 4: Simplify right side
   2,581,826.78x = 5,116,091,220,468.20
5. Step 5: Solve for x
   x = 5,116,091,220,468.20/2,581,826.78
6. Step 6: Final answer
   x = 1,981,578.03