Finding the Fourth Proportional to 6,145.48, 8,481.80 and 3,628.22

Step by Step Solution

1. Step 1: Write the proportion equation
   6,145.48 : 8,481.80 = 3,628.22 : x
2. Step 2: Convert to fraction form
   6,145.48/8,481.80 = 3,628.22/x
3. Step 3: Cross multiply
   6,145.48x = 8,481.80 × 3,628.22
4. Step 4: Simplify right side
   6,145.48x = 30,773,836.40
5. Step 5: Solve for x
   x = 30,773,836.40/6,145.48
6. Step 6: Final answer
   x = 5,007.56