Finding the Fourth Proportional to 1,945.03, 2,684.22 and 1,105.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.03 : 2,684.22 = 1,105.81 : x
2. Step 2: Convert to fraction form
   1,945.03/2,684.22 = 1,105.81/x
3. Step 3: Cross multiply
   1,945.03x = 2,684.22 × 1,105.81
4. Step 4: Simplify right side
   1,945.03x = 2,968,237.32
5. Step 5: Solve for x
   x = 2,968,237.32/1,945.03
6. Step 6: Final answer
   x = 1,526.06