Finding the Fourth Proportional to 1,559.45, 2,151.74 and 896.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559.45 : 2,151.74 = 896.33 : x
2. Step 2: Convert to fraction form
   1,559.45/2,151.74 = 896.33/x
3. Step 3: Cross multiply
   1,559.45x = 2,151.74 × 896.33
4. Step 4: Simplify right side
   1,559.45x = 1,928,676.73
5. Step 5: Solve for x
   x = 1,928,676.73/1,559.45
6. Step 6: Final answer
   x = 1,236.77