Finding the Fourth Proportional to 2,814.68, 4,222.83 and 867.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,814.68 : 4,222.83 = 867.17 : x
2. Step 2: Convert to fraction form
   2,814.68/4,222.83 = 867.17/x
3. Step 3: Cross multiply
   2,814.68x = 4,222.83 × 867.17
4. Step 4: Simplify right side
   2,814.68x = 3,661,890.38
5. Step 5: Solve for x
   x = 3,661,890.38/2,814.68
6. Step 6: Final answer
   x = 1,301.00