Finding the Fourth Proportional to 2,643,138, 3,647,533.68 and 1,435,914

Step by Step Solution

1. Step 1: Write the proportion equation
   2,643,138 : 3,647,533.68 = 1,435,914 : x
2. Step 2: Convert to fraction form
   2,643,138/3,647,533.68 = 1,435,914/x
3. Step 3: Cross multiply
   2,643,138x = 3,647,533.68 × 1,435,914
4. Step 4: Simplify right side
   2,643,138x = 5,237,544,676,583.52
5. Step 5: Solve for x
   x = 5,237,544,676,583.52/2,643,138
6. Step 6: Final answer
   x = 1,981,563.08