Finding the Fourth Proportional to 1,204,629.56, 1,662,358.83 and 688,350.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,204,629.56 : 1,662,358.83 = 688,350.69 : x
2. Step 2: Convert to fraction form
   1,204,629.56/1,662,358.83 = 688,350.69/x
3. Step 3: Cross multiply
   1,204,629.56x = 1,662,358.83 × 688,350.69
4. Step 4: Simplify right side
   1,204,629.56x = 1,144,285,847,658.09
5. Step 5: Solve for x
   x = 1,144,285,847,658.09/1,204,629.56
6. Step 6: Final answer
   x = 949,906.83