Finding the Fourth Proportional to 3,621.18, 4,996.56 and 2,185.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,621.18 : 4,996.56 = 2,185.56 : x
2. Step 2: Convert to fraction form
   3,621.18/4,996.56 = 2,185.56/x
3. Step 3: Cross multiply
   3,621.18x = 4,996.56 × 2,185.56
4. Step 4: Simplify right side
   3,621.18x = 10,920,281.67
5. Step 5: Solve for x
   x = 10,920,281.67/3,621.18
6. Step 6: Final answer
   x = 3,015.67