Finding the Fourth Proportional to 3,575.47, 4,930.41 and 2,828.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,575.47 : 4,930.41 = 2,828.23 : x
2. Step 2: Convert to fraction form
   3,575.47/4,930.41 = 2,828.23/x
3. Step 3: Cross multiply
   3,575.47x = 4,930.41 × 2,828.23
4. Step 4: Simplify right side
   3,575.47x = 13,944,333.47
5. Step 5: Solve for x
   x = 13,944,333.47/3,575.47
6. Step 6: Final answer
   x = 3,900.00