Finding the Fourth Proportional to 2,544.42, 3,815.63 and 983.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,544.42 : 3,815.63 = 983.57 : x
2. Step 2: Convert to fraction form
   2,544.42/3,815.63 = 983.57/x
3. Step 3: Cross multiply
   2,544.42x = 3,815.63 × 983.57
4. Step 4: Simplify right side
   2,544.42x = 3,752,915.20
5. Step 5: Solve for x
   x = 3,752,915.20/2,544.42
6. Step 6: Final answer
   x = 1,474.96