Finding the Fourth Proportional to 8,922.06, 12,311.97 and 4,942.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,922.06 : 12,311.97 = 4,942.86 : x
2. Step 2: Convert to fraction form
   8,922.06/12,311.97 = 4,942.86/x
3. Step 3: Cross multiply
   8,922.06x = 12,311.97 × 4,942.86
4. Step 4: Simplify right side
   8,922.06x = 60,856,344.03
5. Step 5: Solve for x
   x = 60,856,344.03/8,922.06
6. Step 6: Final answer
   x = 6,820.88