Finding the Fourth Proportional to 2,012.40, 3,014.12 and 1,146.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.40 : 3,014.12 = 1,146.16 : x
2. Step 2: Convert to fraction form
   2,012.40/3,014.12 = 1,146.16/x
3. Step 3: Cross multiply
   2,012.40x = 3,014.12 × 1,146.16
4. Step 4: Simplify right side
   2,012.40x = 3,454,663.78
5. Step 5: Solve for x
   x = 3,454,663.78/2,012.40
6. Step 6: Final answer
   x = 1,716.69