Finding the Fourth Proportional to 3,927.22, 5,876.82 and 3,413.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,927.22 : 5,876.82 = 3,413.30 : x
2. Step 2: Convert to fraction form
   3,927.22/5,876.82 = 3,413.30/x
3. Step 3: Cross multiply
   3,927.22x = 5,876.82 × 3,413.30
4. Step 4: Simplify right side
   3,927.22x = 20,059,349.71
5. Step 5: Solve for x
   x = 20,059,349.71/3,927.22
6. Step 6: Final answer
   x = 5,107.77