Finding the Fourth Proportional to 2,805,870.37, 3,873,404.61 and 1,644,155.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,805,870.37 : 3,873,404.61 = 1,644,155.40 : x
2. Step 2: Convert to fraction form
   2,805,870.37/3,873,404.61 = 1,644,155.40/x
3. Step 3: Cross multiply
   2,805,870.37x = 3,873,404.61 × 1,644,155.40
4. Step 4: Simplify right side
   2,805,870.37x = 6,368,479,100,137.99
5. Step 5: Solve for x
   x = 6,368,479,100,137.99/2,805,870.37
6. Step 6: Final answer
   x = 2,269,698.26