Finding the Fourth Proportional to 7,443.54, 10,272.06 and 4,086.27

Step by Step Solution

1. Step 1: Write the proportion equation
   7,443.54 : 10,272.06 = 4,086.27 : x
2. Step 2: Convert to fraction form
   7,443.54/10,272.06 = 4,086.27/x
3. Step 3: Cross multiply
   7,443.54x = 10,272.06 × 4,086.27
4. Step 4: Simplify right side
   7,443.54x = 41,974,410.62
5. Step 5: Solve for x
   x = 41,974,410.62/7,443.54
6. Step 6: Final answer
   x = 5,639.04