Finding the Fourth Proportional to 7,443.25, 10,271.84 and 4,086.06

Step by Step Solution

1. Step 1: Write the proportion equation
   7,443.25 : 10,271.84 = 4,086.06 : x
2. Step 2: Convert to fraction form
   7,443.25/10,271.84 = 4,086.06/x
3. Step 3: Cross multiply
   7,443.25x = 10,271.84 × 4,086.06
4. Step 4: Simplify right side
   7,443.25x = 41,971,354.55
5. Step 5: Solve for x
   x = 41,971,354.55/7,443.25
6. Step 6: Final answer
   x = 5,638.85