Finding the Fourth Proportional to 3,667.91, 5,496.68 and 2,842.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.91 : 5,496.68 = 2,842.31 : x
2. Step 2: Convert to fraction form
   3,667.91/5,496.68 = 2,842.31/x
3. Step 3: Cross multiply
   3,667.91x = 5,496.68 × 2,842.31
4. Step 4: Simplify right side
   3,667.91x = 15,623,289.38
5. Step 5: Solve for x
   x = 15,623,289.38/3,667.91
6. Step 6: Final answer
   x = 4,259.46