Finding the Fourth Proportional to 2,563.72, 3,533.22 and 2,003.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,563.72 : 3,533.22 = 2,003.32 : x
2. Step 2: Convert to fraction form
   2,563.72/3,533.22 = 2,003.32/x
3. Step 3: Cross multiply
   2,563.72x = 3,533.22 × 2,003.32
4. Step 4: Simplify right side
   2,563.72x = 7,078,170.29
5. Step 5: Solve for x
   x = 7,078,170.29/2,563.72
6. Step 6: Final answer
   x = 2,760.90