Finding the Fourth Proportional to 492,300.67, 674,944.42 and 483,333.05

Step by Step Solution

1. Step 1: Write the proportion equation
   492,300.67 : 674,944.42 = 483,333.05 : x
2. Step 2: Convert to fraction form
   492,300.67/674,944.42 = 483,333.05/x
3. Step 3: Cross multiply
   492,300.67x = 674,944.42 × 483,333.05
4. Step 4: Simplify right side
   492,300.67x = 326,222,945,099.08
5. Step 5: Solve for x
   x = 326,222,945,099.08/492,300.67
6. Step 6: Final answer
   x = 662,649.81