Finding the Fourth Proportional to 5,200.45, 7,176.73 and 2,842.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,200.45 : 7,176.73 = 2,842.69 : x
2. Step 2: Convert to fraction form
   5,200.45/7,176.73 = 2,842.69/x
3. Step 3: Cross multiply
   5,200.45x = 7,176.73 × 2,842.69
4. Step 4: Simplify right side
   5,200.45x = 20,401,204.39
5. Step 5: Solve for x
   x = 20,401,204.39/5,200.45
6. Step 6: Final answer
   x = 3,922.97