Finding the Fourth Proportional to 3,581.55, 5,373.15 and 1,116.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,581.55 : 5,373.15 = 1,116.24 : x
2. Step 2: Convert to fraction form
   3,581.55/5,373.15 = 1,116.24/x
3. Step 3: Cross multiply
   3,581.55x = 5,373.15 × 1,116.24
4. Step 4: Simplify right side
   3,581.55x = 5,997,724.96
5. Step 5: Solve for x
   x = 5,997,724.96/3,581.55
6. Step 6: Final answer
   x = 1,674.62