Finding the Fourth Proportional to 2,812,991.82, 4,219,429.40 and 683,087.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,812,991.82 : 4,219,429.40 = 683,087.10 : x
2. Step 2: Convert to fraction form
   2,812,991.82/4,219,429.40 = 683,087.10/x
3. Step 3: Cross multiply
   2,812,991.82x = 4,219,429.40 × 683,087.10
4. Step 4: Simplify right side
   2,812,991.82x = 2,882,237,771,403.59
5. Step 5: Solve for x
   x = 2,882,237,771,403.59/2,812,991.82
6. Step 6: Final answer
   x = 1,024,616.48