Finding the Fourth Proportional to 2,818.39, 4,224.73 and 1,356.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,818.39 : 4,224.73 = 1,356.75 : x
2. Step 2: Convert to fraction form
   2,818.39/4,224.73 = 1,356.75/x
3. Step 3: Cross multiply
   2,818.39x = 4,224.73 × 1,356.75
4. Step 4: Simplify right side
   2,818.39x = 5,731,902.43
5. Step 5: Solve for x
   x = 5,731,902.43/2,818.39
6. Step 6: Final answer
   x = 2,033.75