Finding the Fourth Proportional to 2,297,411.49, 3,446,491.59 and 678,343.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,297,411.49 : 3,446,491.59 = 678,343.99 : x
2. Step 2: Convert to fraction form
   2,297,411.49/3,446,491.59 = 678,343.99/x
3. Step 3: Cross multiply
   2,297,411.49x = 3,446,491.59 × 678,343.99
4. Step 4: Simplify right side
   2,297,411.49x = 2,337,906,856,662.04
5. Step 5: Solve for x
   x = 2,337,906,856,662.04/2,297,411.49
6. Step 6: Final answer
   x = 1,017,626.52