Finding the Fourth Proportional to 12,054.24, 18,078.10 and 3,287.07

Step by Step Solution

1. Step 1: Write the proportion equation
   12,054.24 : 18,078.10 = 3,287.07 : x
2. Step 2: Convert to fraction form
   12,054.24/18,078.10 = 3,287.07/x
3. Step 3: Cross multiply
   12,054.24x = 18,078.10 × 3,287.07
4. Step 4: Simplify right side
   12,054.24x = 59,423,980.17
5. Step 5: Solve for x
   x = 59,423,980.17/12,054.24
6. Step 6: Final answer
   x = 4,929.72