Finding the Fourth Proportional to 8,928.06, 12,321.46 and 4,950.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,928.06 : 12,321.46 = 4,950.42 : x
2. Step 2: Convert to fraction form
   8,928.06/12,321.46 = 4,950.42/x
3. Step 3: Cross multiply
   8,928.06x = 12,321.46 × 4,950.42
4. Step 4: Simplify right side
   8,928.06x = 60,996,402.01
5. Step 5: Solve for x
   x = 60,996,402.01/8,928.06
6. Step 6: Final answer
   x = 6,831.99