Finding the Fourth Proportional to 3,711.37, 5,122.83 and 2,140.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,711.37 : 5,122.83 = 2,140.51 : x
2. Step 2: Convert to fraction form
   3,711.37/5,122.83 = 2,140.51/x
3. Step 3: Cross multiply
   3,711.37x = 5,122.83 × 2,140.51
4. Step 4: Simplify right side
   3,711.37x = 10,965,468.84
5. Step 5: Solve for x
   x = 10,965,468.84/3,711.37
6. Step 6: Final answer
   x = 2,954.56