Finding the Fourth Proportional to 3,112.02, 4,665.12 and 1,162.75

Step by Step Solution

1. Step 1: Write the proportion equation
   3,112.02 : 4,665.12 = 1,162.75 : x
2. Step 2: Convert to fraction form
   3,112.02/4,665.12 = 1,162.75/x
3. Step 3: Cross multiply
   3,112.02x = 4,665.12 × 1,162.75
4. Step 4: Simplify right side
   3,112.02x = 5,424,368.28
5. Step 5: Solve for x
   x = 5,424,368.28/3,112.02
6. Step 6: Final answer
   x = 1,743.04