Finding the Fourth Proportional to 3,805.72, 5,251.39 and 2,127.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,805.72 : 5,251.39 = 2,127.06 : x
2. Step 2: Convert to fraction form
   3,805.72/5,251.39 = 2,127.06/x
3. Step 3: Cross multiply
   3,805.72x = 5,251.39 × 2,127.06
4. Step 4: Simplify right side
   3,805.72x = 11,170,016.30
5. Step 5: Solve for x
   x = 11,170,016.30/3,805.72
6. Step 6: Final answer
   x = 2,935.06