Finding the Fourth Proportional to 3,638.37, 5,450.94 and 3,503.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,638.37 : 5,450.94 = 3,503.37 : x
2. Step 2: Convert to fraction form
   3,638.37/5,450.94 = 3,503.37/x
3. Step 3: Cross multiply
   3,638.37x = 5,450.94 × 3,503.37
4. Step 4: Simplify right side
   3,638.37x = 19,096,659.67
5. Step 5: Solve for x
   x = 19,096,659.67/3,638.37
6. Step 6: Final answer
   x = 5,248.69