Finding the Fourth Proportional to 3,995.56, 5,515.32 and 2,423.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,995.56 : 5,515.32 = 2,423.62 : x
2. Step 2: Convert to fraction form
   3,995.56/5,515.32 = 2,423.62/x
3. Step 3: Cross multiply
   3,995.56x = 5,515.32 × 2,423.62
4. Step 4: Simplify right side
   3,995.56x = 13,367,039.86
5. Step 5: Solve for x
   x = 13,367,039.86/3,995.56
6. Step 6: Final answer
   x = 3,345.47