Finding the Fourth Proportional to 2,729.82, 3,768.57 and 2,131.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,729.82 : 3,768.57 = 2,131.03 : x
2. Step 2: Convert to fraction form
   2,729.82/3,768.57 = 2,131.03/x
3. Step 3: Cross multiply
   2,729.82x = 3,768.57 × 2,131.03
4. Step 4: Simplify right side
   2,729.82x = 8,030,935.73
5. Step 5: Solve for x
   x = 8,030,935.73/2,729.82
6. Step 6: Final answer
   x = 2,941.93