Finding the Fourth Proportional to 2,816.00, 4,224.56 and 868.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,816.00 : 4,224.56 = 868.13 : x
2. Step 2: Convert to fraction form
   2,816.00/4,224.56 = 868.13/x
3. Step 3: Cross multiply
   2,816.00x = 4,224.56 × 868.13
4. Step 4: Simplify right side
   2,816.00x = 3,667,441.81
5. Step 5: Solve for x
   x = 3,667,441.81/2,816.00
6. Step 6: Final answer
   x = 1,302.36