Finding the Fourth Proportional to 3,959.49, 5,939.34 and 3,036.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,959.49 : 5,939.34 = 3,036.72 : x
2. Step 2: Convert to fraction form
   3,959.49/5,939.34 = 3,036.72/x
3. Step 3: Cross multiply
   3,959.49x = 5,939.34 × 3,036.72
4. Step 4: Simplify right side
   3,959.49x = 18,036,112.56
5. Step 5: Solve for x
   x = 18,036,112.56/3,959.49
6. Step 6: Final answer
   x = 4,555.16