Finding the Fourth Proportional to 3,111.06, 4,667.70 and 1,163.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.06 : 4,667.70 = 1,163.58 : x
2. Step 2: Convert to fraction form
   3,111.06/4,667.70 = 1,163.58/x
3. Step 3: Cross multiply
   3,111.06x = 4,667.70 × 1,163.58
4. Step 4: Simplify right side
   3,111.06x = 5,431,242.37
5. Step 5: Solve for x
   x = 5,431,242.37/3,111.06
6. Step 6: Final answer
   x = 1,745.79