Finding the Fourth Proportional to 998,436.71, 1,377,688.69 and 568,662.05

Step by Step Solution

1. Step 1: Write the proportion equation
   998,436.71 : 1,377,688.69 = 568,662.05 : x
2. Step 2: Convert to fraction form
   998,436.71/1,377,688.69 = 568,662.05/x
3. Step 3: Cross multiply
   998,436.71x = 1,377,688.69 × 568,662.05
4. Step 4: Simplify right side
   998,436.71x = 783,439,274,717.22
5. Step 5: Solve for x
   x = 783,439,274,717.22/998,436.71
6. Step 6: Final answer
   x = 784,665.94