Finding the Fourth Proportional to 3,820.05, 5,271.89 and 2,141.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,820.05 : 5,271.89 = 2,141.37 : x
2. Step 2: Convert to fraction form
   3,820.05/5,271.89 = 2,141.37/x
3. Step 3: Cross multiply
   3,820.05x = 5,271.89 × 2,141.37
4. Step 4: Simplify right side
   3,820.05x = 11,289,056.38
5. Step 5: Solve for x
   x = 11,289,056.38/3,820.05
6. Step 6: Final answer
   x = 2,955.21