Finding the Fourth Proportional to 1,434.04, 1,979.60 and 968.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434.04 : 1,979.60 = 968.92 : x
2. Step 2: Convert to fraction form
   1,434.04/1,979.60 = 968.92/x
3. Step 3: Cross multiply
   1,434.04x = 1,979.60 × 968.92
4. Step 4: Simplify right side
   1,434.04x = 1,918,074.03
5. Step 5: Solve for x
   x = 1,918,074.03/1,434.04
6. Step 6: Final answer
   x = 1,337.53