Finding the Fourth Proportional to 1,333.44, 1,839.15 and 979.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.44 : 1,839.15 = 979.25 : x
2. Step 2: Convert to fraction form
   1,333.44/1,839.15 = 979.25/x
3. Step 3: Cross multiply
   1,333.44x = 1,839.15 × 979.25
4. Step 4: Simplify right side
   1,333.44x = 1,800,995.91
5. Step 5: Solve for x
   x = 1,800,995.91/1,333.44
6. Step 6: Final answer
   x = 1,350.64