Finding the Fourth Proportional to 465,673.89, 642,630.57 and 264,469.89

Step by Step Solution

1. Step 1: Write the proportion equation
   465,673.89 : 642,630.57 = 264,469.89 : x
2. Step 2: Convert to fraction form
   465,673.89/642,630.57 = 264,469.89/x
3. Step 3: Cross multiply
   465,673.89x = 642,630.57 × 264,469.89
4. Step 4: Simplify right side
   465,673.89x = 169,956,436,158.54
5. Step 5: Solve for x
   x = 169,956,436,158.54/465,673.89
6. Step 6: Final answer
   x = 364,968.79