Finding the Fourth Proportional to 325,751.67, 488,688.89 and 123,408.38

Step by Step Solution

1. Step 1: Write the proportion equation
   325,751.67 : 488,688.89 = 123,408.38 : x
2. Step 2: Convert to fraction form
   325,751.67/488,688.89 = 123,408.38/x
3. Step 3: Cross multiply
   325,751.67x = 488,688.89 × 123,408.38
4. Step 4: Simplify right side
   325,751.67x = 60,308,304,843.58
5. Step 5: Solve for x
   x = 60,308,304,843.58/325,751.67
6. Step 6: Final answer
   x = 185,135.83