Finding the Fourth Proportional to 2,380.34, 3,571.47 and 1,082.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.34 : 3,571.47 = 1,082.42 : x
2. Step 2: Convert to fraction form
   2,380.34/3,571.47 = 1,082.42/x
3. Step 3: Cross multiply
   2,380.34x = 3,571.47 × 1,082.42
4. Step 4: Simplify right side
   2,380.34x = 3,865,830.56
5. Step 5: Solve for x
   x = 3,865,830.56/2,380.34
6. Step 6: Final answer
   x = 1,624.07