Finding the Fourth Proportional to 1,457.94, 2,185.49 and 936.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,457.94 : 2,185.49 = 936.48 : x
2. Step 2: Convert to fraction form
   1,457.94/2,185.49 = 936.48/x
3. Step 3: Cross multiply
   1,457.94x = 2,185.49 × 936.48
4. Step 4: Simplify right side
   1,457.94x = 2,046,667.68
5. Step 5: Solve for x
   x = 2,046,667.68/1,457.94
6. Step 6: Final answer
   x = 1,403.81