Finding the Fourth Proportional to 1,996.41, 2,751.25 and 1,435.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996.41 : 2,751.25 = 1,435.89 : x
2. Step 2: Convert to fraction form
   1,996.41/2,751.25 = 1,435.89/x
3. Step 3: Cross multiply
   1,996.41x = 2,751.25 × 1,435.89
4. Step 4: Simplify right side
   1,996.41x = 3,950,485.18
5. Step 5: Solve for x
   x = 3,950,485.18/1,996.41
6. Step 6: Final answer
   x = 1,978.79