Finding the Fourth Proportional to 726,641.69, 1,002,069.73 and 554,253.23

Step by Step Solution

1. Step 1: Write the proportion equation
   726,641.69 : 1,002,069.73 = 554,253.23 : x
2. Step 2: Convert to fraction form
   726,641.69/1,002,069.73 = 554,253.23/x
3. Step 3: Cross multiply
   726,641.69x = 1,002,069.73 × 554,253.23
4. Step 4: Simplify right side
   726,641.69x = 555,400,387,735.72
5. Step 5: Solve for x
   x = 555,400,387,735.72/726,641.69
6. Step 6: Final answer
   x = 764,338.74