Finding the Fourth Proportional to 5,200.27, 7,176.39 and 2,842.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,200.27 : 7,176.39 = 2,842.42 : x
2. Step 2: Convert to fraction form
   5,200.27/7,176.39 = 2,842.42/x
3. Step 3: Cross multiply
   5,200.27x = 7,176.39 × 2,842.42
4. Step 4: Simplify right side
   5,200.27x = 20,398,314.46
5. Step 5: Solve for x
   x = 20,398,314.46/5,200.27
6. Step 6: Final answer
   x = 3,922.55