Finding the Fourth Proportional to 7,443.52, 10,272.02 and 4,086.38

Step by Step Solution

1. Step 1: Write the proportion equation
   7,443.52 : 10,272.02 = 4,086.38 : x
2. Step 2: Convert to fraction form
   7,443.52/10,272.02 = 4,086.38/x
3. Step 3: Cross multiply
   7,443.52x = 10,272.02 × 4,086.38
4. Step 4: Simplify right side
   7,443.52x = 41,975,377.09
5. Step 5: Solve for x
   x = 41,975,377.09/7,443.52
6. Step 6: Final answer
   x = 5,639.18