Finding the Fourth Proportional to 12,809.34, 17,667.72 and 8,324.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,809.34 : 17,667.72 = 8,324.73 : x
2. Step 2: Convert to fraction form
   12,809.34/17,667.72 = 8,324.73/x
3. Step 3: Cross multiply
   12,809.34x = 17,667.72 × 8,324.73
4. Step 4: Simplify right side
   12,809.34x = 147,078,998.72
5. Step 5: Solve for x
   x = 147,078,998.72/12,809.34
6. Step 6: Final answer
   x = 11,482.17