Finding the Fourth Proportional to 7,078.92, 10,611.36 and 3,956.04

Step by Step Solution

1. Step 1: Write the proportion equation
   7,078.92 : 10,611.36 = 3,956.04 : x
2. Step 2: Convert to fraction form
   7,078.92/10,611.36 = 3,956.04/x
3. Step 3: Cross multiply
   7,078.92x = 10,611.36 × 3,956.04
4. Step 4: Simplify right side
   7,078.92x = 41,978,964.61
5. Step 5: Solve for x
   x = 41,978,964.61/7,078.92
6. Step 6: Final answer
   x = 5,930.14