Finding the Fourth Proportional to 5,087.82, 7,021.31 and 2,849.59

Step by Step Solution

1. Step 1: Write the proportion equation
   5,087.82 : 7,021.31 = 2,849.59 : x
2. Step 2: Convert to fraction form
   5,087.82/7,021.31 = 2,849.59/x
3. Step 3: Cross multiply
   5,087.82x = 7,021.31 × 2,849.59
4. Step 4: Simplify right side
   5,087.82x = 20,007,854.76
5. Step 5: Solve for x
   x = 20,007,854.76/5,087.82
6. Step 6: Final answer
   x = 3,932.50