Finding the Fourth Proportional to 981,371.33, 1,469,694.96 and 664,868.69

Step by Step Solution

1. Step 1: Write the proportion equation
   981,371.33 : 1,469,694.96 = 664,868.69 : x
2. Step 2: Convert to fraction form
   981,371.33/1,469,694.96 = 664,868.69/x
3. Step 3: Cross multiply
   981,371.33x = 1,469,694.96 × 664,868.69
4. Step 4: Simplify right side
   981,371.33x = 977,154,155,406.33
5. Step 5: Solve for x
   x = 977,154,155,406.33/981,371.33
6. Step 6: Final answer
   x = 995,702.78