Finding the Fourth Proportional to 2,265.82, 3,399.23 and 684.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,265.82 : 3,399.23 = 684.47 : x
2. Step 2: Convert to fraction form
   2,265.82/3,399.23 = 684.47/x
3. Step 3: Cross multiply
   2,265.82x = 3,399.23 × 684.47
4. Step 4: Simplify right side
   2,265.82x = 2,326,670.96
5. Step 5: Solve for x
   x = 2,326,670.96/2,265.82
6. Step 6: Final answer
   x = 1,026.86