Finding the Fourth Proportional to 12,054.66, 18,079.15 and 3,287.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,054.66 : 18,079.15 = 3,287.49 : x
2. Step 2: Convert to fraction form
   12,054.66/18,079.15 = 3,287.49/x
3. Step 3: Cross multiply
   12,054.66x = 18,079.15 × 3,287.49
4. Step 4: Simplify right side
   12,054.66x = 59,435,024.83
5. Step 5: Solve for x
   x = 59,435,024.83/12,054.66
6. Step 6: Final answer
   x = 4,930.46