Finding the Fourth Proportional to 3,339.82, 5,008.72 and 1,118.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,339.82 : 5,008.72 = 1,118.09 : x
2. Step 2: Convert to fraction form
   3,339.82/5,008.72 = 1,118.09/x
3. Step 3: Cross multiply
   3,339.82x = 5,008.72 × 1,118.09
4. Step 4: Simplify right side
   3,339.82x = 5,600,171.91
5. Step 5: Solve for x
   x = 5,600,171.91/3,339.82
6. Step 6: Final answer
   x = 1,676.79