Finding the Fourth Proportional to 2,265.34, 3,398.20 and 804.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,265.34 : 3,398.20 = 804.82 : x
2. Step 2: Convert to fraction form
   2,265.34/3,398.20 = 804.82/x
3. Step 3: Cross multiply
   2,265.34x = 3,398.20 × 804.82
4. Step 4: Simplify right side
   2,265.34x = 2,734,939.32
5. Step 5: Solve for x
   x = 2,734,939.32/2,265.34
6. Step 6: Final answer
   x = 1,207.30