Finding the Fourth Proportional to 17,618.56, 24,324.72 and 12,326

Step by Step Solution

1. Step 1: Write the proportion equation
   17,618.56 : 24,324.72 = 12,326 : x
2. Step 2: Convert to fraction form
   17,618.56/24,324.72 = 12,326/x
3. Step 3: Cross multiply
   17,618.56x = 24,324.72 × 12,326
4. Step 4: Simplify right side
   17,618.56x = 299,826,498.72
5. Step 5: Solve for x
   x = 299,826,498.72/17,618.56
6. Step 6: Final answer
   x = 17,017.65