Finding the Fourth Proportional to 7,443, 10,271.33 and 4,085.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,443 : 10,271.33 = 4,085.88 : x
2. Step 2: Convert to fraction form
   7,443/10,271.33 = 4,085.88/x
3. Step 3: Cross multiply
   7,443x = 10,271.33 × 4,085.88
4. Step 4: Simplify right side
   7,443x = 41,967,401.39
5. Step 5: Solve for x
   x = 41,967,401.39/7,443
6. Step 6: Final answer
   x = 5,638.51