Finding the Fourth Proportional to 2,300.69, 3,450.46 and 657.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.69 : 3,450.46 = 657.25 : x
2. Step 2: Convert to fraction form
   2,300.69/3,450.46 = 657.25/x
3. Step 3: Cross multiply
   2,300.69x = 3,450.46 × 657.25
4. Step 4: Simplify right side
   2,300.69x = 2,267,794.30
5. Step 5: Solve for x
   x = 2,267,794.30/2,300.69
6. Step 6: Final answer
   x = 985.70