Finding the Fourth Proportional to 1,993.86, 2,750.88 and 1,109.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,993.86 : 2,750.88 = 1,109.49 : x
2. Step 2: Convert to fraction form
   1,993.86/2,750.88 = 1,109.49/x
3. Step 3: Cross multiply
   1,993.86x = 2,750.88 × 1,109.49
4. Step 4: Simplify right side
   1,993.86x = 3,052,073.85
5. Step 5: Solve for x
   x = 3,052,073.85/1,993.86
6. Step 6: Final answer
   x = 1,530.74