Finding the Fourth Proportional to 1,339.65, 1,997.69 and 1,233.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339.65 : 1,997.69 = 1,233.27 : x
2. Step 2: Convert to fraction form
   1,339.65/1,997.69 = 1,233.27/x
3. Step 3: Cross multiply
   1,339.65x = 1,997.69 × 1,233.27
4. Step 4: Simplify right side
   1,339.65x = 2,463,684.98
5. Step 5: Solve for x
   x = 2,463,684.98/1,339.65
6. Step 6: Final answer
   x = 1,839.05