Finding the Fourth Proportional to 3,577.55, 5,367.15 and 1,112.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,577.55 : 5,367.15 = 1,112.24 : x
2. Step 2: Convert to fraction form
   3,577.55/5,367.15 = 1,112.24/x
3. Step 3: Cross multiply
   3,577.55x = 5,367.15 × 1,112.24
4. Step 4: Simplify right side
   3,577.55x = 5,969,532.08
5. Step 5: Solve for x
   x = 5,969,532.08/3,577.55
6. Step 6: Final answer
   x = 1,668.61