Finding the Fourth Proportional to 809,426.67, 1,117,084.82 and 605,123.79

Step by Step Solution

1. Step 1: Write the proportion equation
   809,426.67 : 1,117,084.82 = 605,123.79 : x
2. Step 2: Convert to fraction form
   809,426.67/1,117,084.82 = 605,123.79/x
3. Step 3: Cross multiply
   809,426.67x = 1,117,084.82 × 605,123.79
4. Step 4: Simplify right side
   809,426.67x = 675,974,597,004.25
5. Step 5: Solve for x
   x = 675,974,597,004.25/809,426.67
6. Step 6: Final answer
   x = 835,127.66