Finding the Fourth Proportional to 11,964.30, 17,945.82 and 3,644.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,964.30 : 17,945.82 = 3,644.12 : x
2. Step 2: Convert to fraction form
   11,964.30/17,945.82 = 3,644.12/x
3. Step 3: Cross multiply
   11,964.30x = 17,945.82 × 3,644.12
4. Step 4: Simplify right side
   11,964.30x = 65,396,631.85
5. Step 5: Solve for x
   x = 65,396,631.85/11,964.30
6. Step 6: Final answer
   x = 5,465.98