Finding the Fourth Proportional to 1,769.80, 2,441.57 and 1,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,769.80 : 2,441.57 = 1,105.50 : x
2. Step 2: Convert to fraction form
   1,769.80/2,441.57 = 1,105.50/x
3. Step 3: Cross multiply
   1,769.80x = 2,441.57 × 1,105.50
4. Step 4: Simplify right side
   1,769.80x = 2,699,155.64
5. Step 5: Solve for x
   x = 2,699,155.64/1,769.80
6. Step 6: Final answer
   x = 1,525.12