Finding the Fourth Proportional to 2,546.12, 3,513.56 and 1,427.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,546.12 : 3,513.56 = 1,427.18 : x
2. Step 2: Convert to fraction form
   2,546.12/3,513.56 = 1,427.18/x
3. Step 3: Cross multiply
   2,546.12x = 3,513.56 × 1,427.18
4. Step 4: Simplify right side
   2,546.12x = 5,014,482.56
5. Step 5: Solve for x
   x = 5,014,482.56/2,546.12
6. Step 6: Final answer
   x = 1,969.46