Finding the Fourth Proportional to 3,111.51, 4,667.67 and 1,163.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.51 : 4,667.67 = 1,163.46 : x
2. Step 2: Convert to fraction form
   3,111.51/4,667.67 = 1,163.46/x
3. Step 3: Cross multiply
   3,111.51x = 4,667.67 × 1,163.46
4. Step 4: Simplify right side
   3,111.51x = 5,430,647.34
5. Step 5: Solve for x
   x = 5,430,647.34/3,111.51
6. Step 6: Final answer
   x = 1,745.34