Finding the Fourth Proportional to 2,548.17, 3,821.54 and 903.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.17 : 3,821.54 = 903.83 : x
2. Step 2: Convert to fraction form
   2,548.17/3,821.54 = 903.83/x
3. Step 3: Cross multiply
   2,548.17x = 3,821.54 × 903.83
4. Step 4: Simplify right side
   2,548.17x = 3,453,998.87
5. Step 5: Solve for x
   x = 3,453,998.87/2,548.17
6. Step 6: Final answer
   x = 1,355.48