Finding the Fourth Proportional to 1,496.43, 2,064.57 and 905.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,496.43 : 2,064.57 = 905.94 : x
2. Step 2: Convert to fraction form
   1,496.43/2,064.57 = 905.94/x
3. Step 3: Cross multiply
   1,496.43x = 2,064.57 × 905.94
4. Step 4: Simplify right side
   1,496.43x = 1,870,376.55
5. Step 5: Solve for x
   x = 1,870,376.55/1,496.43
6. Step 6: Final answer
   x = 1,249.89