Finding the Fourth Proportional to 6,118.82, 9,178.42 and 1,959.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,118.82 : 9,178.42 = 1,959.42 : x
2. Step 2: Convert to fraction form
   6,118.82/9,178.42 = 1,959.42/x
3. Step 3: Cross multiply
   6,118.82x = 9,178.42 × 1,959.42
4. Step 4: Simplify right side
   6,118.82x = 17,984,379.72
5. Step 5: Solve for x
   x = 17,984,379.72/6,118.82
6. Step 6: Final answer
   x = 2,939.19