Finding the Fourth Proportional to 2,086.36, 2,878.34 and 1,456.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.36 : 2,878.34 = 1,456.99 : x
2. Step 2: Convert to fraction form
   2,086.36/2,878.34 = 1,456.99/x
3. Step 3: Cross multiply
   2,086.36x = 2,878.34 × 1,456.99
4. Step 4: Simplify right side
   2,086.36x = 4,193,698.12
5. Step 5: Solve for x
   x = 4,193,698.12/2,086.36
6. Step 6: Final answer
   x = 2,010.06