Finding the Fourth Proportional to 6,106.29, 8,426.59 and 3,311.79

Step by Step Solution

1. Step 1: Write the proportion equation
   6,106.29 : 8,426.59 = 3,311.79 : x
2. Step 2: Convert to fraction form
   6,106.29/8,426.59 = 3,311.79/x
3. Step 3: Cross multiply
   6,106.29x = 8,426.59 × 3,311.79
4. Step 4: Simplify right side
   6,106.29x = 27,907,096.50
5. Step 5: Solve for x
   x = 27,907,096.50/6,106.29
6. Step 6: Final answer
   x = 4,570.22