Finding the Fourth Proportional to 12,044.16, 18,066.78 and 5,289.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,044.16 : 18,066.78 = 5,289.30 : x
2. Step 2: Convert to fraction form
   12,044.16/18,066.78 = 5,289.30/x
3. Step 3: Cross multiply
   12,044.16x = 18,066.78 × 5,289.30
4. Step 4: Simplify right side
   12,044.16x = 95,560,619.45
5. Step 5: Solve for x
   x = 95,560,619.45/12,044.16
6. Step 6: Final answer
   x = 7,934.19