Finding the Fourth Proportional to 3,111.47, 4,667.05 and 1,163.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.47 : 4,667.05 = 1,163.53 : x
2. Step 2: Convert to fraction form
   3,111.47/4,667.05 = 1,163.53/x
3. Step 3: Cross multiply
   3,111.47x = 4,667.05 × 1,163.53
4. Step 4: Simplify right side
   3,111.47x = 5,430,252.69
5. Step 5: Solve for x
   x = 5,430,252.69/3,111.47
6. Step 6: Final answer
   x = 1,745.24