Finding the Fourth Proportional to 5,200.17, 7,176.72 and 2,842.67

Step by Step Solution

1. Step 1: Write the proportion equation
   5,200.17 : 7,176.72 = 2,842.67 : x
2. Step 2: Convert to fraction form
   5,200.17/7,176.72 = 2,842.67/x
3. Step 3: Cross multiply
   5,200.17x = 7,176.72 × 2,842.67
4. Step 4: Simplify right side
   5,200.17x = 20,401,010.76
5. Step 5: Solve for x
   x = 20,401,010.76/5,200.17
6. Step 6: Final answer
   x = 3,923.14