Finding the Fourth Proportional to 5,087.94, 7,021.30 and 2,849.80

Step by Step Solution

1. Step 1: Write the proportion equation
   5,087.94 : 7,021.30 = 2,849.80 : x
2. Step 2: Convert to fraction form
   5,087.94/7,021.30 = 2,849.80/x
3. Step 3: Cross multiply
   5,087.94x = 7,021.30 × 2,849.80
4. Step 4: Simplify right side
   5,087.94x = 20,009,300.74
5. Step 5: Solve for x
   x = 20,009,300.74/5,087.94
6. Step 6: Final answer
   x = 3,932.69