Finding the Fourth Proportional to 1,856.32, 2,786.38 and 1,449.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,856.32 : 2,786.38 = 1,449.96 : x
2. Step 2: Convert to fraction form
   1,856.32/2,786.38 = 1,449.96/x
3. Step 3: Cross multiply
   1,856.32x = 2,786.38 × 1,449.96
4. Step 4: Simplify right side
   1,856.32x = 4,040,139.54
5. Step 5: Solve for x
   x = 4,040,139.54/1,856.32
6. Step 6: Final answer
   x = 2,176.42