Finding the Fourth Proportional to 7,443.49, 10,272.14 and 4,086.62

Step by Step Solution

1. Step 1: Write the proportion equation
   7,443.49 : 10,272.14 = 4,086.62 : x
2. Step 2: Convert to fraction form
   7,443.49/10,272.14 = 4,086.62/x
3. Step 3: Cross multiply
   7,443.49x = 10,272.14 × 4,086.62
4. Step 4: Simplify right side
   7,443.49x = 41,978,260.97
5. Step 5: Solve for x
   x = 41,978,260.97/7,443.49
6. Step 6: Final answer
   x = 5,639.60