Finding the Fourth Proportional to 2,380.56, 3,568.78 and 1,283.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.56 : 3,568.78 = 1,283.65 : x
2. Step 2: Convert to fraction form
   2,380.56/3,568.78 = 1,283.65/x
3. Step 3: Cross multiply
   2,380.56x = 3,568.78 × 1,283.65
4. Step 4: Simplify right side
   2,380.56x = 4,581,064.45
5. Step 5: Solve for x
   x = 4,581,064.45/2,380.56
6. Step 6: Final answer
   x = 1,924.36