Finding the Fourth Proportional to 3,581.91, 5,372.82 and 1,116.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,581.91 : 5,372.82 = 1,116.63 : x
2. Step 2: Convert to fraction form
   3,581.91/5,372.82 = 1,116.63/x
3. Step 3: Cross multiply
   3,581.91x = 5,372.82 × 1,116.63
4. Step 4: Simplify right side
   3,581.91x = 5,999,452.00
5. Step 5: Solve for x
   x = 5,999,452.00/3,581.91
6. Step 6: Final answer
   x = 1,674.93