Finding the Fourth Proportional to 3,581.57, 5,372.96 and 1,116.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,581.57 : 5,372.96 = 1,116.33 : x
2. Step 2: Convert to fraction form
   3,581.57/5,372.96 = 1,116.33/x
3. Step 3: Cross multiply
   3,581.57x = 5,372.96 × 1,116.33
4. Step 4: Simplify right side
   3,581.57x = 5,997,990.86
5. Step 5: Solve for x
   x = 5,997,990.86/3,581.57
6. Step 6: Final answer
   x = 1,674.68