Finding the Fourth Proportional to 2,003.62, 2,764.90 and 1,107.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.62 : 2,764.90 = 1,107.36 : x
2. Step 2: Convert to fraction form
   2,003.62/2,764.90 = 1,107.36/x
3. Step 3: Cross multiply
   2,003.62x = 2,764.90 × 1,107.36
4. Step 4: Simplify right side
   2,003.62x = 3,061,739.66
5. Step 5: Solve for x
   x = 3,061,739.66/2,003.62
6. Step 6: Final answer
   x = 1,528.10