Finding the Fourth Proportional to 2,936.73, 4,404.67 and 856.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,936.73 : 4,404.67 = 856.18 : x
2. Step 2: Convert to fraction form
   2,936.73/4,404.67 = 856.18/x
3. Step 3: Cross multiply
   2,936.73x = 4,404.67 × 856.18
4. Step 4: Simplify right side
   2,936.73x = 3,771,179.35
5. Step 5: Solve for x
   x = 3,771,179.35/2,936.73
6. Step 6: Final answer
   x = 1,284.14