Finding the Fourth Proportional to 2,674.28, 4,011.57 and 1,114.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,674.28 : 4,011.57 = 1,114.42 : x
2. Step 2: Convert to fraction form
   2,674.28/4,011.57 = 1,114.42/x
3. Step 3: Cross multiply
   2,674.28x = 4,011.57 × 1,114.42
4. Step 4: Simplify right side
   2,674.28x = 4,470,573.84
5. Step 5: Solve for x
   x = 4,470,573.84/2,674.28
6. Step 6: Final answer
   x = 1,671.69