Finding the Fourth Proportional to 4,308.71, 6,426.06 and 4,234.89

Step by Step Solution

1. Step 1: Write the proportion equation
   4,308.71 : 6,426.06 = 4,234.89 : x
2. Step 2: Convert to fraction form
   4,308.71/6,426.06 = 4,234.89/x
3. Step 3: Cross multiply
   4,308.71x = 6,426.06 × 4,234.89
4. Step 4: Simplify right side
   4,308.71x = 27,213,665.45
5. Step 5: Solve for x
   x = 27,213,665.45/4,308.71
6. Step 6: Final answer
   x = 6,315.97