Finding the Fourth Proportional to 6,109.29, 8,429.36 and 3,591.27

Step by Step Solution

1. Step 1: Write the proportion equation
   6,109.29 : 8,429.36 = 3,591.27 : x
2. Step 2: Convert to fraction form
   6,109.29/8,429.36 = 3,591.27/x
3. Step 3: Cross multiply
   6,109.29x = 8,429.36 × 3,591.27
4. Step 4: Simplify right side
   6,109.29x = 30,272,089.73
5. Step 5: Solve for x
   x = 30,272,089.73/6,109.29
6. Step 6: Final answer
   x = 4,955.09