Finding the Fourth Proportional to 11,993.33, 17,990.03 and 3,673.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,993.33 : 17,990.03 = 3,673.31 : x
2. Step 2: Convert to fraction form
   11,993.33/17,990.03 = 3,673.31/x
3. Step 3: Cross multiply
   11,993.33x = 17,990.03 × 3,673.31
4. Step 4: Simplify right side
   11,993.33x = 66,082,848.78
5. Step 5: Solve for x
   x = 66,082,848.78/11,993.33
6. Step 6: Final answer
   x = 5,509.97