Finding the Fourth Proportional to 2,357.28, 3,253.32 and 1,648.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,357.28 : 3,253.32 = 1,648.44 : x
2. Step 2: Convert to fraction form
   2,357.28/3,253.32 = 1,648.44/x
3. Step 3: Cross multiply
   2,357.28x = 3,253.32 × 1,648.44
4. Step 4: Simplify right side
   2,357.28x = 5,362,902.82
5. Step 5: Solve for x
   x = 5,362,902.82/2,357.28
6. Step 6: Final answer
   x = 2,275.04