Finding the Fourth Proportional to 8,014.52, 12,021.90 and 2,171.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,014.52 : 12,021.90 = 2,171.72 : x
2. Step 2: Convert to fraction form
   8,014.52/12,021.90 = 2,171.72/x
3. Step 3: Cross multiply
   8,014.52x = 12,021.90 × 2,171.72
4. Step 4: Simplify right side
   8,014.52x = 26,108,200.67
5. Step 5: Solve for x
   x = 26,108,200.67/8,014.52
6. Step 6: Final answer
   x = 3,257.61