Finding the Fourth Proportional to 3,452.24, 5,178.72 and 1,143.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,452.24 : 5,178.72 = 1,143.92 : x
2. Step 2: Convert to fraction form
   3,452.24/5,178.72 = 1,143.92/x
3. Step 3: Cross multiply
   3,452.24x = 5,178.72 × 1,143.92
4. Step 4: Simplify right side
   3,452.24x = 5,924,041.38
5. Step 5: Solve for x
   x = 5,924,041.38/3,452.24
6. Step 6: Final answer
   x = 1,716.00