Finding the Fourth Proportional to 3,111.34, 4,667.67 and 1,031.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.34 : 4,667.67 = 1,031.23 : x
2. Step 2: Convert to fraction form
   3,111.34/4,667.67 = 1,031.23/x
3. Step 3: Cross multiply
   3,111.34x = 4,667.67 × 1,031.23
4. Step 4: Simplify right side
   3,111.34x = 4,813,441.33
5. Step 5: Solve for x
   x = 4,813,441.33/3,111.34
6. Step 6: Final answer
   x = 1,547.06