Finding the Fourth Proportional to 2,539.50, 3,809.52 and 896.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,539.50 : 3,809.52 = 896.49 : x
2. Step 2: Convert to fraction form
   2,539.50/3,809.52 = 896.49/x
3. Step 3: Cross multiply
   2,539.50x = 3,809.52 × 896.49
4. Step 4: Simplify right side
   2,539.50x = 3,415,196.58
5. Step 5: Solve for x
   x = 3,415,196.58/2,539.50
6. Step 6: Final answer
   x = 1,344.83