Finding the Fourth Proportional to 3,923.24, 5,412.50 and 2,506.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,923.24 : 5,412.50 = 2,506.56 : x
2. Step 2: Convert to fraction form
   3,923.24/5,412.50 = 2,506.56/x
3. Step 3: Cross multiply
   3,923.24x = 5,412.50 × 2,506.56
4. Step 4: Simplify right side
   3,923.24x = 13,566,762.27
5. Step 5: Solve for x
   x = 13,566,762.27/3,923.24
6. Step 6: Final answer
   x = 3,458.05