Finding the Fourth Proportional to 5,940.69, 8,194.57 and 3,815.51

Step by Step Solution

1. Step 1: Write the proportion equation
   5,940.69 : 8,194.57 = 3,815.51 : x
2. Step 2: Convert to fraction form
   5,940.69/8,194.57 = 3,815.51/x
3. Step 3: Cross multiply
   5,940.69x = 8,194.57 × 3,815.51
4. Step 4: Simplify right side
   5,940.69x = 31,266,413.27
5. Step 5: Solve for x
   x = 31,266,413.27/5,940.69
6. Step 6: Final answer
   x = 5,263.09