Finding the Fourth Proportional to 3,910.48, 5,863.50 and 3,449.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,910.48 : 5,863.50 = 3,449.32 : x
2. Step 2: Convert to fraction form
   3,910.48/5,863.50 = 3,449.32/x
3. Step 3: Cross multiply
   3,910.48x = 5,863.50 × 3,449.32
4. Step 4: Simplify right side
   3,910.48x = 20,225,087.82
5. Step 5: Solve for x
   x = 20,225,087.82/3,910.48
6. Step 6: Final answer
   x = 5,172.02