Finding the Fourth Proportional to 3,936.03, 5,432.81 and 2,443.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,936.03 : 5,432.81 = 2,443.10 : x
2. Step 2: Convert to fraction form
   3,936.03/5,432.81 = 2,443.10/x
3. Step 3: Cross multiply
   3,936.03x = 5,432.81 × 2,443.10
4. Step 4: Simplify right side
   3,936.03x = 13,272,858.73
5. Step 5: Solve for x
   x = 13,272,858.73/3,936.03
6. Step 6: Final answer
   x = 3,372.14