Finding the Fourth Proportional to 8,928.33, 12,320.51 and 4,949.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,928.33 : 12,320.51 = 4,949.30 : x
2. Step 2: Convert to fraction form
   8,928.33/12,320.51 = 4,949.30/x
3. Step 3: Cross multiply
   8,928.33x = 12,320.51 × 4,949.30
4. Step 4: Simplify right side
   8,928.33x = 60,977,906.20
5. Step 5: Solve for x
   x = 60,977,906.20/8,928.33
6. Step 6: Final answer
   x = 6,829.71