Finding the Fourth Proportional to 5,087.67, 7,020.50 and 2,849.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,087.67 : 7,020.50 = 2,849.37 : x
2. Step 2: Convert to fraction form
   5,087.67/7,020.50 = 2,849.37/x
3. Step 3: Cross multiply
   5,087.67x = 7,020.50 × 2,849.37
4. Step 4: Simplify right side
   5,087.67x = 20,003,987.84
5. Step 5: Solve for x
   x = 20,003,987.84/5,087.67
6. Step 6: Final answer
   x = 3,931.86