Finding the Fourth Proportional to 1,373.94, 2,057.67 and 1,083.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.94 : 2,057.67 = 1,083.42 : x
2. Step 2: Convert to fraction form
   1,373.94/2,057.67 = 1,083.42/x
3. Step 3: Cross multiply
   1,373.94x = 2,057.67 × 1,083.42
4. Step 4: Simplify right side
   1,373.94x = 2,229,320.83
5. Step 5: Solve for x
   x = 2,229,320.83/1,373.94
6. Step 6: Final answer
   x = 1,622.58