Finding the Fourth Proportional to 2,523.57, 3,785.42 and 674.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,523.57 : 3,785.42 = 674.67 : x
2. Step 2: Convert to fraction form
   2,523.57/3,785.42 = 674.67/x
3. Step 3: Cross multiply
   2,523.57x = 3,785.42 × 674.67
4. Step 4: Simplify right side
   2,523.57x = 2,553,909.31
5. Step 5: Solve for x
   x = 2,553,909.31/2,523.57
6. Step 6: Final answer
   x = 1,012.02