Finding the Fourth Proportional to 2,003.38, 2,764.61 and 1,107.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.38 : 2,764.61 = 1,107.19 : x
2. Step 2: Convert to fraction form
   2,003.38/2,764.61 = 1,107.19/x
3. Step 3: Cross multiply
   2,003.38x = 2,764.61 × 1,107.19
4. Step 4: Simplify right side
   2,003.38x = 3,060,934.72
5. Step 5: Solve for x
   x = 3,060,934.72/2,003.38
6. Step 6: Final answer
   x = 1,527.89