Finding the Fourth Proportional to 3,569.98, 5,355.49 and 1,105.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,569.98 : 5,355.49 = 1,105.02 : x
2. Step 2: Convert to fraction form
   3,569.98/5,355.49 = 1,105.02/x
3. Step 3: Cross multiply
   3,569.98x = 5,355.49 × 1,105.02
4. Step 4: Simplify right side
   3,569.98x = 5,917,923.56
5. Step 5: Solve for x
   x = 5,917,923.56/3,569.98
6. Step 6: Final answer
   x = 1,657.69