Finding the Fourth Proportional to 2,039, 2,813.82 and 1,107.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,039 : 2,813.82 = 1,107.52 : x
2. Step 2: Convert to fraction form
   2,039/2,813.82 = 1,107.52/x
3. Step 3: Cross multiply
   2,039x = 2,813.82 × 1,107.52
4. Step 4: Simplify right side
   2,039x = 3,116,361.93
5. Step 5: Solve for x
   x = 3,116,361.93/2,039
6. Step 6: Final answer
   x = 1,528.38