Finding the Fourth Proportional to 3,456.84, 5,185.77 and 1,116.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,456.84 : 5,185.77 = 1,116.06 : x
2. Step 2: Convert to fraction form
   3,456.84/5,185.77 = 1,116.06/x
3. Step 3: Cross multiply
   3,456.84x = 5,185.77 × 1,116.06
4. Step 4: Simplify right side
   3,456.84x = 5,787,655.30
5. Step 5: Solve for x
   x = 5,787,655.30/3,456.84
6. Step 6: Final answer
   x = 1,674.26