Finding the Fourth Proportional to 2,665.29, 3,996.63 and 1,203.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.29 : 3,996.63 = 1,203.42 : x
2. Step 2: Convert to fraction form
   2,665.29/3,996.63 = 1,203.42/x
3. Step 3: Cross multiply
   2,665.29x = 3,996.63 × 1,203.42
4. Step 4: Simplify right side
   2,665.29x = 4,809,624.47
5. Step 5: Solve for x
   x = 4,809,624.47/2,665.29
6. Step 6: Final answer
   x = 1,804.54