Finding the Fourth Proportional to 8,014.72, 12,019.92 and 2,817.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,014.72 : 12,019.92 = 2,817.76 : x
2. Step 2: Convert to fraction form
   8,014.72/12,019.92 = 2,817.76/x
3. Step 3: Cross multiply
   8,014.72x = 12,019.92 × 2,817.76
4. Step 4: Simplify right side
   8,014.72x = 33,869,249.78
5. Step 5: Solve for x
   x = 33,869,249.78/8,014.72
6. Step 6: Final answer
   x = 4,225.88