Finding the Fourth Proportional to 3,544.02, 4,890.78 and 2,052.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,544.02 : 4,890.78 = 2,052.20 : x
2. Step 2: Convert to fraction form
   3,544.02/4,890.78 = 2,052.20/x
3. Step 3: Cross multiply
   3,544.02x = 4,890.78 × 2,052.20
4. Step 4: Simplify right side
   3,544.02x = 10,036,870.94
5. Step 5: Solve for x
   x = 10,036,870.94/3,544.02
6. Step 6: Final answer
   x = 2,832.06