Finding the Fourth Proportional to 6,128.37, 8,456.27 and 3,475.35

Step by Step Solution

1. Step 1: Write the proportion equation
   6,128.37 : 8,456.27 = 3,475.35 : x
2. Step 2: Convert to fraction form
   6,128.37/8,456.27 = 3,475.35/x
3. Step 3: Cross multiply
   6,128.37x = 8,456.27 × 3,475.35
4. Step 4: Simplify right side
   6,128.37x = 29,388,480.57
5. Step 5: Solve for x
   x = 29,388,480.57/6,128.37
6. Step 6: Final answer
   x = 4,795.48