Finding the Fourth Proportional to 5,931.76, 8,185.56 and 3,413.95

Step by Step Solution

1. Step 1: Write the proportion equation
   5,931.76 : 8,185.56 = 3,413.95 : x
2. Step 2: Convert to fraction form
   5,931.76/8,185.56 = 3,413.95/x
3. Step 3: Cross multiply
   5,931.76x = 8,185.56 × 3,413.95
4. Step 4: Simplify right side
   5,931.76x = 27,945,088.10
5. Step 5: Solve for x
   x = 27,945,088.10/5,931.76
6. Step 6: Final answer
   x = 4,711.10