Finding the Fourth Proportional to 3,621.58, 4,997.50 and 2,049.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,621.58 : 4,997.50 = 2,049.78 : x
2. Step 2: Convert to fraction form
   3,621.58/4,997.50 = 2,049.78/x
3. Step 3: Cross multiply
   3,621.58x = 4,997.50 × 2,049.78
4. Step 4: Simplify right side
   3,621.58x = 10,243,775.55
5. Step 5: Solve for x
   x = 10,243,775.55/3,621.58
6. Step 6: Final answer
   x = 2,828.54