Finding the Fourth Proportional to 1,993.32, 2,750.81 and 1,109.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,993.32 : 2,750.81 = 1,109.12 : x
2. Step 2: Convert to fraction form
   1,993.32/2,750.81 = 1,109.12/x
3. Step 3: Cross multiply
   1,993.32x = 2,750.81 × 1,109.12
4. Step 4: Simplify right side
   1,993.32x = 3,050,959.09
5. Step 5: Solve for x
   x = 3,050,959.09/1,993.32
6. Step 6: Final answer
   x = 1,530.59