Finding the Fourth Proportional to 2,357.72, 3,252.18 and 1,684.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,357.72 : 3,252.18 = 1,684.28 : x
2. Step 2: Convert to fraction form
   2,357.72/3,252.18 = 1,684.28/x
3. Step 3: Cross multiply
   2,357.72x = 3,252.18 × 1,684.28
4. Step 4: Simplify right side
   2,357.72x = 5,477,581.73
5. Step 5: Solve for x
   x = 5,477,581.73/2,357.72
6. Step 6: Final answer
   x = 2,323.25