Finding the Fourth Proportional to 2,665.82, 3,998.70 and 1,204.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.82 : 3,998.70 = 1,204.58 : x
2. Step 2: Convert to fraction form
   2,665.82/3,998.70 = 1,204.58/x
3. Step 3: Cross multiply
   2,665.82x = 3,998.70 × 1,204.58
4. Step 4: Simplify right side
   2,665.82x = 4,816,754.05
5. Step 5: Solve for x
   x = 4,816,754.05/2,665.82
6. Step 6: Final answer
   x = 1,806.86