Finding the Fourth Proportional to 1,664.69, 2,297.23 and 956.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664.69 : 2,297.23 = 956.53 : x
2. Step 2: Convert to fraction form
   1,664.69/2,297.23 = 956.53/x
3. Step 3: Cross multiply
   1,664.69x = 2,297.23 × 956.53
4. Step 4: Simplify right side
   1,664.69x = 2,197,361.28
5. Step 5: Solve for x
   x = 2,197,361.28/1,664.69
6. Step 6: Final answer
   x = 1,319.99