Finding the Fourth Proportional to 2,128.09, 3,190.19 and 895.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.09 : 3,190.19 = 895.59 : x
2. Step 2: Convert to fraction form
   2,128.09/3,190.19 = 895.59/x
3. Step 3: Cross multiply
   2,128.09x = 3,190.19 × 895.59
4. Step 4: Simplify right side
   2,128.09x = 2,857,097.78
5. Step 5: Solve for x
   x = 2,857,097.78/2,128.09
6. Step 6: Final answer
   x = 1,342.56