Finding the Fourth Proportional to 3,768.56, 5,642.29 and 2,841.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,768.56 : 5,642.29 = 2,841.21 : x
2. Step 2: Convert to fraction form
   3,768.56/5,642.29 = 2,841.21/x
3. Step 3: Cross multiply
   3,768.56x = 5,642.29 × 2,841.21
4. Step 4: Simplify right side
   3,768.56x = 16,030,934.32
5. Step 5: Solve for x
   x = 16,030,934.32/3,768.56
6. Step 6: Final answer
   x = 4,253.86