Finding the Fourth Proportional to 204,906.03, 307,413.77 and 64,667.31

Step by Step Solution

1. Step 1: Write the proportion equation
   204,906.03 : 307,413.77 = 64,667.31 : x
2. Step 2: Convert to fraction form
   204,906.03/307,413.77 = 64,667.31/x
3. Step 3: Cross multiply
   204,906.03x = 307,413.77 × 64,667.31
4. Step 4: Simplify right side
   204,906.03x = 19,879,621,239.52
5. Step 5: Solve for x
   x = 19,879,621,239.52/204,906.03
6. Step 6: Final answer
   x = 97,018.23