Finding the Fourth Proportional to 6,906.52, 10,357.98 and 3,394.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,906.52 : 10,357.98 = 3,394.72 : x
2. Step 2: Convert to fraction form
   6,906.52/10,357.98 = 3,394.72/x
3. Step 3: Cross multiply
   6,906.52x = 10,357.98 × 3,394.72
4. Step 4: Simplify right side
   6,906.52x = 35,162,441.87
5. Step 5: Solve for x
   x = 35,162,441.87/6,906.52
6. Step 6: Final answer
   x = 5,091.20