Finding the Fourth Proportional to 2,238.06, 3,355.47 and 1,083

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.06 : 3,355.47 = 1,083 : x
2. Step 2: Convert to fraction form
   2,238.06/3,355.47 = 1,083/x
3. Step 3: Cross multiply
   2,238.06x = 3,355.47 × 1,083
4. Step 4: Simplify right side
   2,238.06x = 3,633,974.01
5. Step 5: Solve for x
   x = 3,633,974.01/2,238.06
6. Step 6: Final answer
   x = 1,623.72