Finding the Fourth Proportional to 2,457.69, 3,685.38 and 896.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457.69 : 3,685.38 = 896.59 : x
2. Step 2: Convert to fraction form
   2,457.69/3,685.38 = 896.59/x
3. Step 3: Cross multiply
   2,457.69x = 3,685.38 × 896.59
4. Step 4: Simplify right side
   2,457.69x = 3,304,276.10
5. Step 5: Solve for x
   x = 3,304,276.10/2,457.69
6. Step 6: Final answer
   x = 1,344.47