Finding the Fourth Proportional to 1,674.89, 2,311.83 and 1,011.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,674.89 : 2,311.83 = 1,011.79 : x
2. Step 2: Convert to fraction form
   1,674.89/2,311.83 = 1,011.79/x
3. Step 3: Cross multiply
   1,674.89x = 2,311.83 × 1,011.79
4. Step 4: Simplify right side
   1,674.89x = 2,339,086.48
5. Step 5: Solve for x
   x = 2,339,086.48/1,674.89
6. Step 6: Final answer
   x = 1,396.56