Finding the Fourth Proportional to 1,559.59, 2,151.68 and 896.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559.59 : 2,151.68 = 896.29 : x
2. Step 2: Convert to fraction form
   1,559.59/2,151.68 = 896.29/x
3. Step 3: Cross multiply
   1,559.59x = 2,151.68 × 896.29
4. Step 4: Simplify right side
   1,559.59x = 1,928,519.41
5. Step 5: Solve for x
   x = 1,928,519.41/1,559.59
6. Step 6: Final answer
   x = 1,236.56