Finding the Fourth Proportional to 3,112.12, 4,667.56 and 1,164.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,112.12 : 4,667.56 = 1,164.48 : x
2. Step 2: Convert to fraction form
   3,112.12/4,667.56 = 1,164.48/x
3. Step 3: Cross multiply
   3,112.12x = 4,667.56 × 1,164.48
4. Step 4: Simplify right side
   3,112.12x = 5,435,280.27
5. Step 5: Solve for x
   x = 5,435,280.27/3,112.12
6. Step 6: Final answer
   x = 1,746.49