Finding the Fourth Proportional to 6,145.57, 8,481.50 and 3,628.51

Step by Step Solution

1. Step 1: Write the proportion equation
   6,145.57 : 8,481.50 = 3,628.51 : x
2. Step 2: Convert to fraction form
   6,145.57/8,481.50 = 3,628.51/x
3. Step 3: Cross multiply
   6,145.57x = 8,481.50 × 3,628.51
4. Step 4: Simplify right side
   6,145.57x = 30,775,207.57
5. Step 5: Solve for x
   x = 30,775,207.57/6,145.57
6. Step 6: Final answer
   x = 5,007.71