Finding the Fourth Proportional to 1,338,608.68, 1,847,269.72 and 726,749.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338,608.68 : 1,847,269.72 = 726,749.30 : x
2. Step 2: Convert to fraction form
   1,338,608.68/1,847,269.72 = 726,749.30/x
3. Step 3: Cross multiply
   1,338,608.68x = 1,847,269.72 × 726,749.30
4. Step 4: Simplify right side
   1,338,608.68x = 1,342,501,975,921.20
5. Step 5: Solve for x
   x = 1,342,501,975,921.20/1,338,608.68
6. Step 6: Final answer
   x = 1,002,908.46