Finding the Fourth Proportional to 3,456.38, 5,185.32 and 1,116.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,456.38 : 5,185.32 = 1,116.52 : x
2. Step 2: Convert to fraction form
   3,456.38/5,185.32 = 1,116.52/x
3. Step 3: Cross multiply
   3,456.38x = 5,185.32 × 1,116.52
4. Step 4: Simplify right side
   3,456.38x = 5,789,513.49
5. Step 5: Solve for x
   x = 5,789,513.49/3,456.38
6. Step 6: Final answer
   x = 1,675.02