Finding the Fourth Proportional to 1,338,134.42, 1,846,627.52 and 726,287.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338,134.42 : 1,846,627.52 = 726,287.40 : x
2. Step 2: Convert to fraction form
   1,338,134.42/1,846,627.52 = 726,287.40/x
3. Step 3: Cross multiply
   1,338,134.42x = 1,846,627.52 × 726,287.40
4. Step 4: Simplify right side
   1,338,134.42x = 1,341,182,300,723.18
5. Step 5: Solve for x
   x = 1,341,182,300,723.18/1,338,134.42
6. Step 6: Final answer
   x = 1,002,277.71