Finding the Fourth Proportional to 11,983.71, 17,969.34 and 3,662.04

Step by Step Solution

1. Step 1: Write the proportion equation
   11,983.71 : 17,969.34 = 3,662.04 : x
2. Step 2: Convert to fraction form
   11,983.71/17,969.34 = 3,662.04/x
3. Step 3: Cross multiply
   11,983.71x = 17,969.34 × 3,662.04
4. Step 4: Simplify right side
   11,983.71x = 65,804,441.85
5. Step 5: Solve for x
   x = 65,804,441.85/11,983.71
6. Step 6: Final answer
   x = 5,491.16