Finding the Fourth Proportional to 8,019.92, 12,021.60 and 3,088.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,019.92 : 12,021.60 = 3,088.28 : x
2. Step 2: Convert to fraction form
   8,019.92/12,021.60 = 3,088.28/x
3. Step 3: Cross multiply
   8,019.92x = 12,021.60 × 3,088.28
4. Step 4: Simplify right side
   8,019.92x = 37,126,066.85
5. Step 5: Solve for x
   x = 37,126,066.85/8,019.92
6. Step 6: Final answer
   x = 4,629.23