Finding the Fourth Proportional to 2,817.89, 4,223.98 and 1,356.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,817.89 : 4,223.98 = 1,356.25 : x
2. Step 2: Convert to fraction form
   2,817.89/4,223.98 = 1,356.25/x
3. Step 3: Cross multiply
   2,817.89x = 4,223.98 × 1,356.25
4. Step 4: Simplify right side
   2,817.89x = 5,728,772.88
5. Step 5: Solve for x
   x = 5,728,772.88/2,817.89
6. Step 6: Final answer
   x = 2,033.00