Finding the Fourth Proportional to 2,380.28, 3,569.78 and 841.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.28 : 3,569.78 = 841.08 : x
2. Step 2: Convert to fraction form
   2,380.28/3,569.78 = 841.08/x
3. Step 3: Cross multiply
   2,380.28x = 3,569.78 × 841.08
4. Step 4: Simplify right side
   2,380.28x = 3,002,470.56
5. Step 5: Solve for x
   x = 3,002,470.56/2,380.28
6. Step 6: Final answer
   x = 1,261.39