Finding the Fourth Proportional to 1,123.81, 1,682.07 and 968.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.81 : 1,682.07 = 968.29 : x
2. Step 2: Convert to fraction form
   1,123.81/1,682.07 = 968.29/x
3. Step 3: Cross multiply
   1,123.81x = 1,682.07 × 968.29
4. Step 4: Simplify right side
   1,123.81x = 1,628,731.56
5. Step 5: Solve for x
   x = 1,628,731.56/1,123.81
6. Step 6: Final answer
   x = 1,449.29