Finding the Fourth Proportional to 2,678.91, 4,019.88 and 1,446.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,678.91 : 4,019.88 = 1,446.29 : x
2. Step 2: Convert to fraction form
   2,678.91/4,019.88 = 1,446.29/x
3. Step 3: Cross multiply
   2,678.91x = 4,019.88 × 1,446.29
4. Step 4: Simplify right side
   2,678.91x = 5,813,925.91
5. Step 5: Solve for x
   x = 5,813,925.91/2,678.91
6. Step 6: Final answer
   x = 2,170.26