Finding the Fourth Proportional to 2,544.34, 3,816.19 and 900.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,544.34 : 3,816.19 = 900.42 : x
2. Step 2: Convert to fraction form
   2,544.34/3,816.19 = 900.42/x
3. Step 3: Cross multiply
   2,544.34x = 3,816.19 × 900.42
4. Step 4: Simplify right side
   2,544.34x = 3,436,173.80
5. Step 5: Solve for x
   x = 3,436,173.80/2,544.34
6. Step 6: Final answer
   x = 1,350.52