Finding the Fourth Proportional to 12,023.12, 18,020.04 and 8,514.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,023.12 : 18,020.04 = 8,514.15 : x
2. Step 2: Convert to fraction form
   12,023.12/18,020.04 = 8,514.15/x
3. Step 3: Cross multiply
   12,023.12x = 18,020.04 × 8,514.15
4. Step 4: Simplify right side
   12,023.12x = 153,425,323.57
5. Step 5: Solve for x
   x = 153,425,323.57/12,023.12
6. Step 6: Final answer
   x = 12,760.86