Finding the Fourth Proportional to 5,086.72, 7,019.34 and 2,848.22

Step by Step Solution

1. Step 1: Write the proportion equation
   5,086.72 : 7,019.34 = 2,848.22 : x
2. Step 2: Convert to fraction form
   5,086.72/7,019.34 = 2,848.22/x
3. Step 3: Cross multiply
   5,086.72x = 7,019.34 × 2,848.22
4. Step 4: Simplify right side
   5,086.72x = 19,992,605.12
5. Step 5: Solve for x
   x = 19,992,605.12/5,086.72
6. Step 6: Final answer
   x = 3,930.35