Finding the Fourth Proportional to 8,336.39, 12,506.27 and 3,406.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,336.39 : 12,506.27 = 3,406.42 : x
2. Step 2: Convert to fraction form
   8,336.39/12,506.27 = 3,406.42/x
3. Step 3: Cross multiply
   8,336.39x = 12,506.27 × 3,406.42
4. Step 4: Simplify right side
   8,336.39x = 42,601,606.85
5. Step 5: Solve for x
   x = 42,601,606.85/8,336.39
6. Step 6: Final answer
   x = 5,110.32