Finding the Fourth Proportional to 1,945.02, 2,683.90 and 1,105.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.02 : 2,683.90 = 1,105.73 : x
2. Step 2: Convert to fraction form
   1,945.02/2,683.90 = 1,105.73/x
3. Step 3: Cross multiply
   1,945.02x = 2,683.90 × 1,105.73
4. Step 4: Simplify right side
   1,945.02x = 2,967,668.75
5. Step 5: Solve for x
   x = 2,967,668.75/1,945.02
6. Step 6: Final answer
   x = 1,525.78