Finding the Fourth Proportional to 2,144,907.98, 3,216,647.54 and 865,184.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144,907.98 : 3,216,647.54 = 865,184.94 : x
2. Step 2: Convert to fraction form
   2,144,907.98/3,216,647.54 = 865,184.94/x
3. Step 3: Cross multiply
   2,144,907.98x = 3,216,647.54 × 865,184.94
4. Step 4: Simplify right side
   2,144,907.98x = 2,782,995,008,896.05
5. Step 5: Solve for x
   x = 2,782,995,008,896.05/2,144,907.98
6. Step 6: Final answer
   x = 1,297,489.23