Finding the Fourth Proportional to 12,005.09, 17,992.88 and 8,496.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,005.09 : 17,992.88 = 8,496.09 : x
2. Step 2: Convert to fraction form
   12,005.09/17,992.88 = 8,496.09/x
3. Step 3: Cross multiply
   12,005.09x = 17,992.88 × 8,496.09
4. Step 4: Simplify right side
   12,005.09x = 152,869,216.55
5. Step 5: Solve for x
   x = 152,869,216.55/12,005.09
6. Step 6: Final answer
   x = 12,733.70