Finding the Fourth Proportional to 2,384,640.72, 3,576,982.71 and 678,783.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384,640.72 : 3,576,982.71 = 678,783.35 : x
2. Step 2: Convert to fraction form
   2,384,640.72/3,576,982.71 = 678,783.35/x
3. Step 3: Cross multiply
   2,384,640.72x = 3,576,982.71 × 678,783.35
4. Step 4: Simplify right side
   2,384,640.72x = 2,427,996,298,920.73
5. Step 5: Solve for x
   x = 2,427,996,298,920.73/2,384,640.72
6. Step 6: Final answer
   x = 1,018,181.18