Finding the Fourth Proportional to 2,665.37, 3,996.02 and 1,786.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.37 : 3,996.02 = 1,786.48 : x
2. Step 2: Convert to fraction form
   2,665.37/3,996.02 = 1,786.48/x
3. Step 3: Cross multiply
   2,665.37x = 3,996.02 × 1,786.48
4. Step 4: Simplify right side
   2,665.37x = 7,138,804.29
5. Step 5: Solve for x
   x = 7,138,804.29/2,665.37
6. Step 6: Final answer
   x = 2,678.35