Finding the Fourth Proportional to 2,380.28, 3,568.25 and 920.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.28 : 3,568.25 = 920.52 : x
2. Step 2: Convert to fraction form
   2,380.28/3,568.25 = 920.52/x
3. Step 3: Cross multiply
   2,380.28x = 3,568.25 × 920.52
4. Step 4: Simplify right side
   2,380.28x = 3,284,647.79
5. Step 5: Solve for x
   x = 3,284,647.79/2,380.28
6. Step 6: Final answer
   x = 1,379.94