Finding the Fourth Proportional to 1,434.30, 1,979.81 and 968.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434.30 : 1,979.81 = 968.82 : x
2. Step 2: Convert to fraction form
   1,434.30/1,979.81 = 968.82/x
3. Step 3: Cross multiply
   1,434.30x = 1,979.81 × 968.82
4. Step 4: Simplify right side
   1,434.30x = 1,918,079.52
5. Step 5: Solve for x
   x = 1,918,079.52/1,434.30
6. Step 6: Final answer
   x = 1,337.29