Finding the Fourth Proportional to 2,668.73, 4,003.77 and 1,025.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,668.73 : 4,003.77 = 1,025.39 : x
2. Step 2: Convert to fraction form
   2,668.73/4,003.77 = 1,025.39/x
3. Step 3: Cross multiply
   2,668.73x = 4,003.77 × 1,025.39
4. Step 4: Simplify right side
   2,668.73x = 4,105,420.59
5. Step 5: Solve for x
   x = 4,105,420.59/2,668.73
6. Step 6: Final answer
   x = 1,538.35