Finding the Fourth Proportional to 2,546.28, 3,513.90 and 1,427.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,546.28 : 3,513.90 = 1,427.46 : x
2. Step 2: Convert to fraction form
   2,546.28/3,513.90 = 1,427.46/x
3. Step 3: Cross multiply
   2,546.28x = 3,513.90 × 1,427.46
4. Step 4: Simplify right side
   2,546.28x = 5,015,970.22
5. Step 5: Solve for x
   x = 5,015,970.22/2,546.28
6. Step 6: Final answer
   x = 1,969.92