Finding the Fourth Proportional to 2,506.24, 3,458.46 and 1,561.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,506.24 : 3,458.46 = 1,561.96 : x
2. Step 2: Convert to fraction form
   2,506.24/3,458.46 = 1,561.96/x
3. Step 3: Cross multiply
   2,506.24x = 3,458.46 × 1,561.96
4. Step 4: Simplify right side
   2,506.24x = 5,401,976.18
5. Step 5: Solve for x
   x = 5,401,976.18/2,506.24
6. Step 6: Final answer
   x = 2,155.41