Finding the Fourth Proportional to 2,549.49, 3,823.47 and 905.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549.49 : 3,823.47 = 905.82 : x
2. Step 2: Convert to fraction form
   2,549.49/3,823.47 = 905.82/x
3. Step 3: Cross multiply
   2,549.49x = 3,823.47 × 905.82
4. Step 4: Simplify right side
   2,549.49x = 3,463,375.60
5. Step 5: Solve for x
   x = 3,463,375.60/2,549.49
6. Step 6: Final answer
   x = 1,358.46