Finding the Fourth Proportional to 1,993.56, 2,751.10 and 1,109.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,993.56 : 2,751.10 = 1,109.35 : x
2. Step 2: Convert to fraction form
   1,993.56/2,751.10 = 1,109.35/x
3. Step 3: Cross multiply
   1,993.56x = 2,751.10 × 1,109.35
4. Step 4: Simplify right side
   1,993.56x = 3,051,932.79
5. Step 5: Solve for x
   x = 3,051,932.79/1,993.56
6. Step 6: Final answer
   x = 1,530.90