Finding the Fourth Proportional to 797.34, 1,100.39 and 443.34

Step by Step Solution

1. Step 1: Write the proportion equation
   797.34 : 1,100.39 = 443.34 : x
2. Step 2: Convert to fraction form
   797.34/1,100.39 = 443.34/x
3. Step 3: Cross multiply
   797.34x = 1,100.39 × 443.34
4. Step 4: Simplify right side
   797.34x = 487,844.69
5. Step 5: Solve for x
   x = 487,844.69/797.34
6. Step 6: Final answer
   x = 611.84