Finding the Fourth Proportional to 893,444, 1,232,952.72 and 491,036

Step by Step Solution

1. Step 1: Write the proportion equation
   893,444 : 1,232,952.72 = 491,036 : x
2. Step 2: Convert to fraction form
   893,444/1,232,952.72 = 491,036/x
3. Step 3: Cross multiply
   893,444x = 1,232,952.72 × 491,036
4. Step 4: Simplify right side
   893,444x = 605,424,171,817.92
5. Step 5: Solve for x
   x = 605,424,171,817.92/893,444
6. Step 6: Final answer
   x = 677,629.68