Finding the Fourth Proportional to 8,015.92, 12,025.72 and 2,821.84

Step by Step Solution

1. Step 1: Write the proportion equation
   8,015.92 : 12,025.72 = 2,821.84 : x
2. Step 2: Convert to fraction form
   8,015.92/12,025.72 = 2,821.84/x
3. Step 3: Cross multiply
   8,015.92x = 12,025.72 × 2,821.84
4. Step 4: Simplify right side
   8,015.92x = 33,934,657.72
5. Step 5: Solve for x
   x = 33,934,657.72/8,015.92
6. Step 6: Final answer
   x = 4,233.41