Finding the Fourth Proportional to 1,855.51, 2,559.73 and 1,109.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,855.51 : 2,559.73 = 1,109.10 : x
2. Step 2: Convert to fraction form
   1,855.51/2,559.73 = 1,109.10/x
3. Step 3: Cross multiply
   1,855.51x = 2,559.73 × 1,109.10
4. Step 4: Simplify right side
   1,855.51x = 2,838,996.54
5. Step 5: Solve for x
   x = 2,838,996.54/1,855.51
6. Step 6: Final answer
   x = 1,530.04