Finding the Fourth Proportional to 7,443.17, 10,271.70 and 4,086.29

Step by Step Solution

1. Step 1: Write the proportion equation
   7,443.17 : 10,271.70 = 4,086.29 : x
2. Step 2: Convert to fraction form
   7,443.17/10,271.70 = 4,086.29/x
3. Step 3: Cross multiply
   7,443.17x = 10,271.70 × 4,086.29
4. Step 4: Simplify right side
   7,443.17x = 41,973,093.63
5. Step 5: Solve for x
   x = 41,973,093.63/7,443.17
6. Step 6: Final answer
   x = 5,639.15