Finding the Fourth Proportional to 2,546.84, 3,514.82 and 1,428

Step by Step Solution

1. Step 1: Write the proportion equation
   2,546.84 : 3,514.82 = 1,428 : x
2. Step 2: Convert to fraction form
   2,546.84/3,514.82 = 1,428/x
3. Step 3: Cross multiply
   2,546.84x = 3,514.82 × 1,428
4. Step 4: Simplify right side
   2,546.84x = 5,019,155.82
5. Step 5: Solve for x
   x = 5,019,155.82/2,546.84
6. Step 6: Final answer
   x = 1,970.74