Finding the Fourth Proportional to 2,003.92, 2,765.56 and 1,153.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.92 : 2,765.56 = 1,153.43 : x
2. Step 2: Convert to fraction form
   2,003.92/2,765.56 = 1,153.43/x
3. Step 3: Cross multiply
   2,003.92x = 2,765.56 × 1,153.43
4. Step 4: Simplify right side
   2,003.92x = 3,189,883.90
5. Step 5: Solve for x
   x = 3,189,883.90/2,003.92
6. Step 6: Final answer
   x = 1,591.82