Finding the Fourth Proportional to 3,111.51, 4,667.36 and 1,163.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.51 : 4,667.36 = 1,163.34 : x
2. Step 2: Convert to fraction form
   3,111.51/4,667.36 = 1,163.34/x
3. Step 3: Cross multiply
   3,111.51x = 4,667.36 × 1,163.34
4. Step 4: Simplify right side
   3,111.51x = 5,429,720.77
5. Step 5: Solve for x
   x = 5,429,720.77/3,111.51
6. Step 6: Final answer
   x = 1,745.04