Finding the Fourth Proportional to 3,846.14, 5,765.72 and 1,380.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,846.14 : 5,765.72 = 1,380.56 : x
2. Step 2: Convert to fraction form
   3,846.14/5,765.72 = 1,380.56/x
3. Step 3: Cross multiply
   3,846.14x = 5,765.72 × 1,380.56
4. Step 4: Simplify right side
   3,846.14x = 7,959,922.40
5. Step 5: Solve for x
   x = 7,959,922.40/3,846.14
6. Step 6: Final answer
   x = 2,069.59