Finding the Fourth Proportional to 7,443.70, 10,271.91 and 4,086.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,443.70 : 10,271.91 = 4,086.96 : x
2. Step 2: Convert to fraction form
   7,443.70/10,271.91 = 4,086.96/x
3. Step 3: Cross multiply
   7,443.70x = 10,271.91 × 4,086.96
4. Step 4: Simplify right side
   7,443.70x = 41,980,862.10
5. Step 5: Solve for x
   x = 41,980,862.10/7,443.70
6. Step 6: Final answer
   x = 5,639.79