Finding the Fourth Proportional to 2,548.96, 3,823.82 and 905.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.96 : 3,823.82 = 905.37 : x
2. Step 2: Convert to fraction form
   2,548.96/3,823.82 = 905.37/x
3. Step 3: Cross multiply
   2,548.96x = 3,823.82 × 905.37
4. Step 4: Simplify right side
   2,548.96x = 3,461,948.27
5. Step 5: Solve for x
   x = 3,461,948.27/2,548.96
6. Step 6: Final answer
   x = 1,358.18