Finding the Fourth Proportional to 2,339.57, 3,228.91 and 1,477.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,339.57 : 3,228.91 = 1,477.28 : x
2. Step 2: Convert to fraction form
   2,339.57/3,228.91 = 1,477.28/x
3. Step 3: Cross multiply
   2,339.57x = 3,228.91 × 1,477.28
4. Step 4: Simplify right side
   2,339.57x = 4,770,008.54
5. Step 5: Solve for x
   x = 4,770,008.54/2,339.57
6. Step 6: Final answer
   x = 2,038.84