Finding the Fourth Proportional to 1,559.32, 2,151.75 and 896.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559.32 : 2,151.75 = 896.17 : x
2. Step 2: Convert to fraction form
   1,559.32/2,151.75 = 896.17/x
3. Step 3: Cross multiply
   1,559.32x = 2,151.75 × 896.17
4. Step 4: Simplify right side
   1,559.32x = 1,928,333.80
5. Step 5: Solve for x
   x = 1,928,333.80/1,559.32
6. Step 6: Final answer
   x = 1,236.65