Finding the Fourth Proportional to 8,011.88, 12,018.09 and 2,168.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,011.88 : 12,018.09 = 2,168.54 : x
2. Step 2: Convert to fraction form
   8,011.88/12,018.09 = 2,168.54/x
3. Step 3: Cross multiply
   8,011.88x = 12,018.09 × 2,168.54
4. Step 4: Simplify right side
   8,011.88x = 26,061,708.89
5. Step 5: Solve for x
   x = 26,061,708.89/8,011.88
6. Step 6: Final answer
   x = 3,252.88