Finding the Fourth Proportional to 4,142.67, 5,717.57 and 3,027.30

Step by Step Solution

1. Step 1: Write the proportion equation
   4,142.67 : 5,717.57 = 3,027.30 : x
2. Step 2: Convert to fraction form
   4,142.67/5,717.57 = 3,027.30/x
3. Step 3: Cross multiply
   4,142.67x = 5,717.57 × 3,027.30
4. Step 4: Simplify right side
   4,142.67x = 17,308,784.52
5. Step 5: Solve for x
   x = 17,308,784.52/4,142.67
6. Step 6: Final answer
   x = 4,178.17