Finding the Fourth Proportional to 6,429.80, 9,634.72 and 4,459.27

Step by Step Solution

1. Step 1: Write the proportion equation
   6,429.80 : 9,634.72 = 4,459.27 : x
2. Step 2: Convert to fraction form
   6,429.80/9,634.72 = 4,459.27/x
3. Step 3: Cross multiply
   6,429.80x = 9,634.72 × 4,459.27
4. Step 4: Simplify right side
   6,429.80x = 42,963,817.85
5. Step 5: Solve for x
   x = 42,963,817.85/6,429.80
6. Step 6: Final answer
   x = 6,681.98