Finding the Fourth Proportional to 6,427.89, 9,635.09 and 3,136.46

Step by Step Solution

1. Step 1: Write the proportion equation
   6,427.89 : 9,635.09 = 3,136.46 : x
2. Step 2: Convert to fraction form
   6,427.89/9,635.09 = 3,136.46/x
3. Step 3: Cross multiply
   6,427.89x = 9,635.09 × 3,136.46
4. Step 4: Simplify right side
   6,427.89x = 30,220,010.52
5. Step 5: Solve for x
   x = 30,220,010.52/6,427.89
6. Step 6: Final answer
   x = 4,701.39