Finding the Fourth Proportional to 69,413.69, 95,774.43 and 42,189.31

Step by Step Solution

1. Step 1: Write the proportion equation
   69,413.69 : 95,774.43 = 42,189.31 : x
2. Step 2: Convert to fraction form
   69,413.69/95,774.43 = 42,189.31/x
3. Step 3: Cross multiply
   69,413.69x = 95,774.43 × 42,189.31
4. Step 4: Simplify right side
   69,413.69x = 4,040,656,638.47
5. Step 5: Solve for x
   x = 4,040,656,638.47/69,413.69
6. Step 6: Final answer
   x = 58,211.24