Finding the Fourth Proportional to 3,072.01, 4,238.17 and 1,727.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,072.01 : 4,238.17 = 1,727.31 : x
2. Step 2: Convert to fraction form
   3,072.01/4,238.17 = 1,727.31/x
3. Step 3: Cross multiply
   3,072.01x = 4,238.17 × 1,727.31
4. Step 4: Simplify right side
   3,072.01x = 7,320,633.42
5. Step 5: Solve for x
   x = 7,320,633.42/3,072.01
6. Step 6: Final answer
   x = 2,383.01