Finding the Fourth Proportional to 2,816.98, 4,223.67 and 1,353.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,816.98 : 4,223.67 = 1,353.22 : x
2. Step 2: Convert to fraction form
   2,816.98/4,223.67 = 1,353.22/x
3. Step 3: Cross multiply
   2,816.98x = 4,223.67 × 1,353.22
4. Step 4: Simplify right side
   2,816.98x = 5,715,554.72
5. Step 5: Solve for x
   x = 5,715,554.72/2,816.98
6. Step 6: Final answer
   x = 2,028.97