Finding the Fourth Proportional to 1,434.33, 1,979.24 and 844.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434.33 : 1,979.24 = 844.79 : x
2. Step 2: Convert to fraction form
   1,434.33/1,979.24 = 844.79/x
3. Step 3: Cross multiply
   1,434.33x = 1,979.24 × 844.79
4. Step 4: Simplify right side
   1,434.33x = 1,672,028.04
5. Step 5: Solve for x
   x = 1,672,028.04/1,434.33
6. Step 6: Final answer
   x = 1,165.72