Finding the Fourth Proportional to 2,003.52, 2,764.88 and 1,107.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.52 : 2,764.88 = 1,107.37 : x
2. Step 2: Convert to fraction form
   2,003.52/2,764.88 = 1,107.37/x
3. Step 3: Cross multiply
   2,003.52x = 2,764.88 × 1,107.37
4. Step 4: Simplify right side
   2,003.52x = 3,061,745.17
5. Step 5: Solve for x
   x = 3,061,745.17/2,003.52
6. Step 6: Final answer
   x = 1,528.18