Finding the Fourth Proportional to 1,103.27, 1,651.70 and 1,083.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.27 : 1,651.70 = 1,083.83 : x
2. Step 2: Convert to fraction form
   1,103.27/1,651.70 = 1,083.83/x
3. Step 3: Cross multiply
   1,103.27x = 1,651.70 × 1,083.83
4. Step 4: Simplify right side
   1,103.27x = 1,790,156.46
5. Step 5: Solve for x
   x = 1,790,156.46/1,103.27
6. Step 6: Final answer
   x = 1,622.60