Finding the Fourth Proportional to 263,196.72, 394,788.60 and 123,112.08

Step by Step Solution

1. Step 1: Write the proportion equation
   263,196.72 : 394,788.60 = 123,112.08 : x
2. Step 2: Convert to fraction form
   263,196.72/394,788.60 = 123,112.08/x
3. Step 3: Cross multiply
   263,196.72x = 394,788.60 × 123,112.08
4. Step 4: Simplify right side
   263,196.72x = 48,603,245,706.29
5. Step 5: Solve for x
   x = 48,603,245,706.29/263,196.72
6. Step 6: Final answer
   x = 184,665.09