Finding the Fourth Proportional to 2,820.54, 4,227.54 and 1,357.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,820.54 : 4,227.54 = 1,357.68 : x
2. Step 2: Convert to fraction form
   2,820.54/4,227.54 = 1,357.68/x
3. Step 3: Cross multiply
   2,820.54x = 4,227.54 × 1,357.68
4. Step 4: Simplify right side
   2,820.54x = 5,739,646.51
5. Step 5: Solve for x
   x = 5,739,646.51/2,820.54
6. Step 6: Final answer
   x = 2,034.95