Finding the Fourth Proportional to 5,200.06, 7,176.57 and 2,842.55

Step by Step Solution

1. Step 1: Write the proportion equation
   5,200.06 : 7,176.57 = 2,842.55 : x
2. Step 2: Convert to fraction form
   5,200.06/7,176.57 = 2,842.55/x
3. Step 3: Cross multiply
   5,200.06x = 7,176.57 × 2,842.55
4. Step 4: Simplify right side
   5,200.06x = 20,399,759.05
5. Step 5: Solve for x
   x = 20,399,759.05/5,200.06
6. Step 6: Final answer
   x = 3,922.99