Finding the Fourth Proportional to 5,250.72, 7,245.72 and 2,892.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,250.72 : 7,245.72 = 2,892.42 : x
2. Step 2: Convert to fraction form
   5,250.72/7,245.72 = 2,892.42/x
3. Step 3: Cross multiply
   5,250.72x = 7,245.72 × 2,892.42
4. Step 4: Simplify right side
   5,250.72x = 20,957,665.44
5. Step 5: Solve for x
   x = 20,957,665.44/5,250.72
6. Step 6: Final answer
   x = 3,991.39