Finding the Fourth Proportional to 8,086.23, 12,111.77 and 4,956.79

Step by Step Solution

1. Step 1: Write the proportion equation
   8,086.23 : 12,111.77 = 4,956.79 : x
2. Step 2: Convert to fraction form
   8,086.23/12,111.77 = 4,956.79/x
3. Step 3: Cross multiply
   8,086.23x = 12,111.77 × 4,956.79
4. Step 4: Simplify right side
   8,086.23x = 60,035,500.42
5. Step 5: Solve for x
   x = 60,035,500.42/8,086.23
6. Step 6: Final answer
   x = 7,424.41