Finding the Fourth Proportional to 11,969.28, 17,952.60 and 3,084.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,969.28 : 17,952.60 = 3,084.72 : x
2. Step 2: Convert to fraction form
   11,969.28/17,952.60 = 3,084.72/x
3. Step 3: Cross multiply
   11,969.28x = 17,952.60 × 3,084.72
4. Step 4: Simplify right side
   11,969.28x = 55,378,744.27
5. Step 5: Solve for x
   x = 55,378,744.27/11,969.28
6. Step 6: Final answer
   x = 4,626.74