Finding the Fourth Proportional to 2,014.92, 3,019.86 and 859.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,014.92 : 3,019.86 = 859.32 : x
2. Step 2: Convert to fraction form
   2,014.92/3,019.86 = 859.32/x
3. Step 3: Cross multiply
   2,014.92x = 3,019.86 × 859.32
4. Step 4: Simplify right side
   2,014.92x = 2,595,026.10
5. Step 5: Solve for x
   x = 2,595,026.10/2,014.92
6. Step 6: Final answer
   x = 1,287.91