Finding the Fourth Proportional to 11,996.09, 17,992.72 and 3,230.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,996.09 : 17,992.72 = 3,230.31 : x
2. Step 2: Convert to fraction form
   11,996.09/17,992.72 = 3,230.31/x
3. Step 3: Cross multiply
   11,996.09x = 17,992.72 × 3,230.31
4. Step 4: Simplify right side
   11,996.09x = 58,122,063.34
5. Step 5: Solve for x
   x = 58,122,063.34/11,996.09
6. Step 6: Final answer
   x = 4,845.08