Finding the Fourth Proportional to 5,906.34, 8,859.56 and 3,439.58

Step by Step Solution

1. Step 1: Write the proportion equation
   5,906.34 : 8,859.56 = 3,439.58 : x
2. Step 2: Convert to fraction form
   5,906.34/8,859.56 = 3,439.58/x
3. Step 3: Cross multiply
   5,906.34x = 8,859.56 × 3,439.58
4. Step 4: Simplify right side
   5,906.34x = 30,473,103.89
5. Step 5: Solve for x
   x = 30,473,103.89/5,906.34
6. Step 6: Final answer
   x = 5,159.39