Finding the Fourth Proportional to 3,996.86, 5,516.52 and 2,579.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,996.86 : 5,516.52 = 2,579.54 : x
2. Step 2: Convert to fraction form
   3,996.86/5,516.52 = 2,579.54/x
3. Step 3: Cross multiply
   3,996.86x = 5,516.52 × 2,579.54
4. Step 4: Simplify right side
   3,996.86x = 14,230,084.00
5. Step 5: Solve for x
   x = 14,230,084.00/3,996.86
6. Step 6: Final answer
   x = 3,560.32