Finding the Fourth Proportional to 12,273.46, 18,419.52 and 8,995.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,273.46 : 18,419.52 = 8,995.12 : x
2. Step 2: Convert to fraction form
   12,273.46/18,419.52 = 8,995.12/x
3. Step 3: Cross multiply
   12,273.46x = 18,419.52 × 8,995.12
4. Step 4: Simplify right side
   12,273.46x = 165,685,792.74
5. Step 5: Solve for x
   x = 165,685,792.74/12,273.46
6. Step 6: Final answer
   x = 13,499.52