Finding the Fourth Proportional to 2,818.15, 4,224.38 and 1,356.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,818.15 : 4,224.38 = 1,356.50 : x
2. Step 2: Convert to fraction form
   2,818.15/4,224.38 = 1,356.50/x
3. Step 3: Cross multiply
   2,818.15x = 4,224.38 × 1,356.50
4. Step 4: Simplify right side
   2,818.15x = 5,730,375.25
5. Step 5: Solve for x
   x = 5,730,375.25/2,818.15
6. Step 6: Final answer
   x = 2,033.38