Finding the Fourth Proportional to 11,969.30, 17,956.69 and 5,730.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,969.30 : 17,956.69 = 5,730.89 : x
2. Step 2: Convert to fraction form
   11,969.30/17,956.69 = 5,730.89/x
3. Step 3: Cross multiply
   11,969.30x = 17,956.69 × 5,730.89
4. Step 4: Simplify right side
   11,969.30x = 102,907,711.04
5. Step 5: Solve for x
   x = 102,907,711.04/11,969.30
6. Step 6: Final answer
   x = 8,597.64