Finding the Fourth Proportional to 7,443.26, 10,271.81 and 4,086.03

Step by Step Solution

1. Step 1: Write the proportion equation
   7,443.26 : 10,271.81 = 4,086.03 : x
2. Step 2: Convert to fraction form
   7,443.26/10,271.81 = 4,086.03/x
3. Step 3: Cross multiply
   7,443.26x = 10,271.81 × 4,086.03
4. Step 4: Simplify right side
   7,443.26x = 41,970,914.77
5. Step 5: Solve for x
   x = 41,970,914.77/7,443.26
6. Step 6: Final answer
   x = 5,638.78