Finding the Fourth Proportional to 3,456.25, 5,185.17 and 1,116.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,456.25 : 5,185.17 = 1,116.46 : x
2. Step 2: Convert to fraction form
   3,456.25/5,185.17 = 1,116.46/x
3. Step 3: Cross multiply
   3,456.25x = 5,185.17 × 1,116.46
4. Step 4: Simplify right side
   3,456.25x = 5,789,034.90
5. Step 5: Solve for x
   x = 5,789,034.90/3,456.25
6. Step 6: Final answer
   x = 1,674.95