Finding the Fourth Proportional to 3,777.90, 5,689.49 and 3,441.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,777.90 : 5,689.49 = 3,441.22 : x
2. Step 2: Convert to fraction form
   3,777.90/5,689.49 = 3,441.22/x
3. Step 3: Cross multiply
   3,777.90x = 5,689.49 × 3,441.22
4. Step 4: Simplify right side
   3,777.90x = 19,578,786.78
5. Step 5: Solve for x
   x = 19,578,786.78/3,777.90
6. Step 6: Final answer
   x = 5,182.45