Finding the Fourth Proportional to 2,558.27, 3,529.94 and 1,563.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558.27 : 3,529.94 = 1,563.81 : x
2. Step 2: Convert to fraction form
   2,558.27/3,529.94 = 1,563.81/x
3. Step 3: Cross multiply
   2,558.27x = 3,529.94 × 1,563.81
4. Step 4: Simplify right side
   2,558.27x = 5,520,147.65
5. Step 5: Solve for x
   x = 5,520,147.65/2,558.27
6. Step 6: Final answer
   x = 2,157.77