Finding the Fourth Proportional to 8,365.56, 12,540.18 and 3,981.84

Step by Step Solution

1. Step 1: Write the proportion equation
   8,365.56 : 12,540.18 = 3,981.84 : x
2. Step 2: Convert to fraction form
   8,365.56/12,540.18 = 3,981.84/x
3. Step 3: Cross multiply
   8,365.56x = 12,540.18 × 3,981.84
4. Step 4: Simplify right side
   8,365.56x = 49,932,990.33
5. Step 5: Solve for x
   x = 49,932,990.33/8,365.56
6. Step 6: Final answer
   x = 5,968.88