Finding the Fourth Proportional to 3,768.21, 5,200.35 and 2,443.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,768.21 : 5,200.35 = 2,443.05 : x
2. Step 2: Convert to fraction form
   3,768.21/5,200.35 = 2,443.05/x
3. Step 3: Cross multiply
   3,768.21x = 5,200.35 × 2,443.05
4. Step 4: Simplify right side
   3,768.21x = 12,704,715.07
5. Step 5: Solve for x
   x = 12,704,715.07/3,768.21
6. Step 6: Final answer
   x = 3,371.55