Finding the Fourth Proportional to 5,208.42, 7,187.59 and 2,850.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,208.42 : 7,187.59 = 2,850.56 : x
2. Step 2: Convert to fraction form
   5,208.42/7,187.59 = 2,850.56/x
3. Step 3: Cross multiply
   5,208.42x = 7,187.59 × 2,850.56
4. Step 4: Simplify right side
   5,208.42x = 20,488,656.55
5. Step 5: Solve for x
   x = 20,488,656.55/5,208.42
6. Step 6: Final answer
   x = 3,933.76