Finding the Fourth Proportional to 2,357.89, 3,558.99 and 2,357.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,357.89 : 3,558.99 = 2,357.89 : x
2. Step 2: Convert to fraction form
   2,357.89/3,558.99 = 2,357.89/x
3. Step 3: Cross multiply
   2,357.89x = 3,558.99 × 2,357.89
4. Step 4: Simplify right side
   2,357.89x = 8,391,706.93
5. Step 5: Solve for x
   x = 8,391,706.93/2,357.89
6. Step 6: Final answer
   x = 3,558.99