Finding the Fourth Proportional to 2,128.50, 3,193.09 and 896.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.50 : 3,193.09 = 896.27 : x
2. Step 2: Convert to fraction form
   2,128.50/3,193.09 = 896.27/x
3. Step 3: Cross multiply
   2,128.50x = 3,193.09 × 896.27
4. Step 4: Simplify right side
   2,128.50x = 2,861,852.57
5. Step 5: Solve for x
   x = 2,861,852.57/2,128.50
6. Step 6: Final answer
   x = 1,344.54