Finding the Fourth Proportional to 2,674.05, 4,012.80 and 1,442.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,674.05 : 4,012.80 = 1,442.32 : x
2. Step 2: Convert to fraction form
   2,674.05/4,012.80 = 1,442.32/x
3. Step 3: Cross multiply
   2,674.05x = 4,012.80 × 1,442.32
4. Step 4: Simplify right side
   2,674.05x = 5,787,730.31
5. Step 5: Solve for x
   x = 5,787,730.31/2,674.05
6. Step 6: Final answer
   x = 2,164.41