Finding the Fourth Proportional to 3,112.10, 4,667.98 and 1,164.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,112.10 : 4,667.98 = 1,164.15 : x
2. Step 2: Convert to fraction form
   3,112.10/4,667.98 = 1,164.15/x
3. Step 3: Cross multiply
   3,112.10x = 4,667.98 × 1,164.15
4. Step 4: Simplify right side
   3,112.10x = 5,434,226.01
5. Step 5: Solve for x
   x = 5,434,226.01/3,112.10
6. Step 6: Final answer
   x = 1,746.16