Finding the Fourth Proportional to 8,013.92, 12,022.72 and 2,819.84

Step by Step Solution

1. Step 1: Write the proportion equation
   8,013.92 : 12,022.72 = 2,819.84 : x
2. Step 2: Convert to fraction form
   8,013.92/12,022.72 = 2,819.84/x
3. Step 3: Cross multiply
   8,013.92x = 12,022.72 × 2,819.84
4. Step 4: Simplify right side
   8,013.92x = 33,902,146.76
5. Step 5: Solve for x
   x = 33,902,146.76/8,013.92
6. Step 6: Final answer
   x = 4,230.41