Finding the Fourth Proportional to 1,854.34, 2,559.42 and 1,108.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,854.34 : 2,559.42 = 1,108.75 : x
2. Step 2: Convert to fraction form
   1,854.34/2,559.42 = 1,108.75/x
3. Step 3: Cross multiply
   1,854.34x = 2,559.42 × 1,108.75
4. Step 4: Simplify right side
   1,854.34x = 2,837,756.93
5. Step 5: Solve for x
   x = 2,837,756.93/1,854.34
6. Step 6: Final answer
   x = 1,530.33