Finding the Fourth Proportional to 5,807.23, 8,016.43 and 3,921.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,807.23 : 8,016.43 = 3,921.37 : x
2. Step 2: Convert to fraction form
   5,807.23/8,016.43 = 3,921.37/x
3. Step 3: Cross multiply
   5,807.23x = 8,016.43 × 3,921.37
4. Step 4: Simplify right side
   5,807.23x = 31,435,338.22
5. Step 5: Solve for x
   x = 31,435,338.22/5,807.23
6. Step 6: Final answer
   x = 5,413.14