Finding the Fourth Proportional to 2,283.69, 3,423.57 and 897.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,283.69 : 3,423.57 = 897.89 : x
2. Step 2: Convert to fraction form
   2,283.69/3,423.57 = 897.89/x
3. Step 3: Cross multiply
   2,283.69x = 3,423.57 × 897.89
4. Step 4: Simplify right side
   2,283.69x = 3,073,968.78
5. Step 5: Solve for x
   x = 3,073,968.78/2,283.69
6. Step 6: Final answer
   x = 1,346.05