Finding the Fourth Proportional to 1,718.89, 2,577.83 and 896.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,718.89 : 2,577.83 = 896.74 : x
2. Step 2: Convert to fraction form
   1,718.89/2,577.83 = 896.74/x
3. Step 3: Cross multiply
   1,718.89x = 2,577.83 × 896.74
4. Step 4: Simplify right side
   1,718.89x = 2,311,643.27
5. Step 5: Solve for x
   x = 2,311,643.27/1,718.89
6. Step 6: Final answer
   x = 1,344.85