Finding the Fourth Proportional to 1,563.27, 2,143.32 and 1,535.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,563.27 : 2,143.32 = 1,535.73 : x
2. Step 2: Convert to fraction form
   1,563.27/2,143.32 = 1,535.73/x
3. Step 3: Cross multiply
   1,563.27x = 2,143.32 × 1,535.73
4. Step 4: Simplify right side
   1,563.27x = 3,291,560.82
5. Step 5: Solve for x
   x = 3,291,560.82/1,563.27
6. Step 6: Final answer
   x = 2,105.56