Finding the Fourth Proportional to 12,014.31, 18,021.42 and 3,248.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,014.31 : 18,021.42 = 3,248.58 : x
2. Step 2: Convert to fraction form
   12,014.31/18,021.42 = 3,248.58/x
3. Step 3: Cross multiply
   12,014.31x = 18,021.42 × 3,248.58
4. Step 4: Simplify right side
   12,014.31x = 58,544,024.58
5. Step 5: Solve for x
   x = 58,544,024.58/12,014.31
6. Step 6: Final answer
   x = 4,872.86