Finding the Fourth Proportional to 2,731.06, 3,766.83 and 2,140.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,731.06 : 3,766.83 = 2,140.42 : x
2. Step 2: Convert to fraction form
   2,731.06/3,766.83 = 2,140.42/x
3. Step 3: Cross multiply
   2,731.06x = 3,766.83 × 2,140.42
4. Step 4: Simplify right side
   2,731.06x = 8,062,598.27
5. Step 5: Solve for x
   x = 8,062,598.27/2,731.06
6. Step 6: Final answer
   x = 2,952.19