Finding the Fourth Proportional to 11,996.10, 17,992.50 and 3,231.54

Step by Step Solution

1. Step 1: Write the proportion equation
   11,996.10 : 17,992.50 = 3,231.54 : x
2. Step 2: Convert to fraction form
   11,996.10/17,992.50 = 3,231.54/x
3. Step 3: Cross multiply
   11,996.10x = 17,992.50 × 3,231.54
4. Step 4: Simplify right side
   11,996.10x = 58,143,483.45
5. Step 5: Solve for x
   x = 58,143,483.45/11,996.10
6. Step 6: Final answer
   x = 4,846.87