Finding the Fourth Proportional to 1,433.76, 1,979.28 and 962.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.76 : 1,979.28 = 962.22 : x
2. Step 2: Convert to fraction form
   1,433.76/1,979.28 = 962.22/x
3. Step 3: Cross multiply
   1,433.76x = 1,979.28 × 962.22
4. Step 4: Simplify right side
   1,433.76x = 1,904,502.80
5. Step 5: Solve for x
   x = 1,904,502.80/1,433.76
6. Step 6: Final answer
   x = 1,328.33