Finding the Fourth Proportional to 2,979.42, 4,111.89 and 2,481.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,979.42 : 4,111.89 = 2,481.18 : x
2. Step 2: Convert to fraction form
   2,979.42/4,111.89 = 2,481.18/x
3. Step 3: Cross multiply
   2,979.42x = 4,111.89 × 2,481.18
4. Step 4: Simplify right side
   2,979.42x = 10,202,339.23
5. Step 5: Solve for x
   x = 10,202,339.23/2,979.42
6. Step 6: Final answer
   x = 3,424.27