Finding the Fourth Proportional to 6,018.91, 8,309.36 and 3,629.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,018.91 : 8,309.36 = 3,629.31 : x
2. Step 2: Convert to fraction form
   6,018.91/8,309.36 = 3,629.31/x
3. Step 3: Cross multiply
   6,018.91x = 8,309.36 × 3,629.31
4. Step 4: Simplify right side
   6,018.91x = 30,157,252.41
5. Step 5: Solve for x
   x = 30,157,252.41/6,018.91
6. Step 6: Final answer
   x = 5,010.42