Finding the Fourth Proportional to 3,581.56, 5,370.62 and 1,116.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,581.56 : 5,370.62 = 1,116.42 : x
2. Step 2: Convert to fraction form
   3,581.56/5,370.62 = 1,116.42/x
3. Step 3: Cross multiply
   3,581.56x = 5,370.62 × 1,116.42
4. Step 4: Simplify right side
   3,581.56x = 5,995,867.58
5. Step 5: Solve for x
   x = 5,995,867.58/3,581.56
6. Step 6: Final answer
   x = 1,674.09