Finding the Fourth Proportional to 2,357.39, 3,558.23 and 2,357.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,357.39 : 3,558.23 = 2,357.39 : x
2. Step 2: Convert to fraction form
   2,357.39/3,558.23 = 2,357.39/x
3. Step 3: Cross multiply
   2,357.39x = 3,558.23 × 2,357.39
4. Step 4: Simplify right side
   2,357.39x = 8,388,123.92
5. Step 5: Solve for x
   x = 8,388,123.92/2,357.39
6. Step 6: Final answer
   x = 3,558.23