Finding the Fourth Proportional to 5,903.54, 8,144.31 and 3,544.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,903.54 : 8,144.31 = 3,544.31 : x
2. Step 2: Convert to fraction form
   5,903.54/8,144.31 = 3,544.31/x
3. Step 3: Cross multiply
   5,903.54x = 8,144.31 × 3,544.31
4. Step 4: Simplify right side
   5,903.54x = 28,865,993.03
5. Step 5: Solve for x
   x = 28,865,993.03/5,903.54
6. Step 6: Final answer
   x = 4,889.61