Finding the Fourth Proportional to 3,959.56, 5,939.57 and 1,185.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,959.56 : 5,939.57 = 1,185.94 : x
2. Step 2: Convert to fraction form
   3,959.56/5,939.57 = 1,185.94/x
3. Step 3: Cross multiply
   3,959.56x = 5,939.57 × 1,185.94
4. Step 4: Simplify right side
   3,959.56x = 7,043,973.65
5. Step 5: Solve for x
   x = 7,043,973.65/3,959.56
6. Step 6: Final answer
   x = 1,778.98